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Finding the Fourth Proportional to 94,125.71, 129,892.97 and 51,104.86

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Solution

The fourth proportional to 94,125.71, 129,892.97 and 51,104.86 is: 70,524.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,125.71 : 129,892.97 = 51,104.86 : x
  2. Step 2: Convert to fraction form
    94,125.71/129,892.97 = 51,104.86/x
  3. Step 3: Cross multiply
    94,125.71x = 129,892.97 × 51,104.86
  4. Step 4: Simplify right side
    94,125.71x = 6,638,161,849.86
  5. Step 5: Solve for x
    x = 6,638,161,849.86/94,125.71
  6. Step 6: Final answer
    x = 70,524.43

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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.