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Finding the Fourth Proportional to 94,201.92, 129,998.28 and 53,915.52

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Solution

The fourth proportional to 94,201.92, 129,998.28 and 53,915.52 is: 74,403.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,201.92 : 129,998.28 = 53,915.52 : x
  2. Step 2: Convert to fraction form
    94,201.92/129,998.28 = 53,915.52/x
  3. Step 3: Cross multiply
    94,201.92x = 129,998.28 × 53,915.52
  4. Step 4: Simplify right side
    94,201.92x = 7,008,924,865.31
  5. Step 5: Solve for x
    x = 7,008,924,865.31/94,201.92
  6. Step 6: Final answer
    x = 74,403.21

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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.