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Finding the Fourth Proportional to 92,233.52, 127,291.30 and 53,990.76

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Solution

The fourth proportional to 92,233.52, 127,291.30 and 53,990.76 is: 74,512.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,233.52 : 127,291.30 = 53,990.76 : x
  2. Step 2: Convert to fraction form
    92,233.52/127,291.30 = 53,990.76/x
  3. Step 3: Cross multiply
    92,233.52x = 127,291.30 × 53,990.76
  4. Step 4: Simplify right side
    92,233.52x = 6,872,554,028.39
  5. Step 5: Solve for x
    x = 6,872,554,028.39/92,233.52
  6. Step 6: Final answer
    x = 74,512.54

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.