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Finding the Fourth Proportional to 92,318.76, 127,403.60 and 52,034.20

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Solution

The fourth proportional to 92,318.76, 127,403.60 and 52,034.20 is: 71,809.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,318.76 : 127,403.60 = 52,034.20 : x
  2. Step 2: Convert to fraction form
    92,318.76/127,403.60 = 52,034.20/x
  3. Step 3: Cross multiply
    92,318.76x = 127,403.60 × 52,034.20
  4. Step 4: Simplify right side
    92,318.76x = 6,629,344,403.12
  5. Step 5: Solve for x
    x = 6,629,344,403.12/92,318.76
  6. Step 6: Final answer
    x = 71,809.29

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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.