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Finding the Fourth Proportional to 373,427.92, 560,139 and 92,943.28

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Solution

The fourth proportional to 373,427.92, 560,139 and 92,943.28 is: 139,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,427.92 : 560,139 = 92,943.28 : x
  2. Step 2: Convert to fraction form
    373,427.92/560,139 = 92,943.28/x
  3. Step 3: Cross multiply
    373,427.92x = 560,139 × 92,943.28
  4. Step 4: Simplify right side
    373,427.92x = 52,061,155,915.92
  5. Step 5: Solve for x
    x = 52,061,155,915.92/373,427.92
  6. Step 6: Final answer
    x = 139,414.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.