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Finding the Fourth Proportional to 92,076.05, 127,045.86 and 53,828.21

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Solution

The fourth proportional to 92,076.05, 127,045.86 and 53,828.21 is: 74,271.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,076.05 : 127,045.86 = 53,828.21 : x
  2. Step 2: Convert to fraction form
    92,076.05/127,045.86 = 53,828.21/x
  3. Step 3: Cross multiply
    92,076.05x = 127,045.86 × 53,828.21
  4. Step 4: Simplify right side
    92,076.05x = 6,838,650,596.48
  5. Step 5: Solve for x
    x = 6,838,650,596.48/92,076.05
  6. Step 6: Final answer
    x = 74,271.77

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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.