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Finding the Fourth Proportional to 173,387.76, 239,275.38 and 93,899.76

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Solution

The fourth proportional to 173,387.76, 239,275.38 and 93,899.76 is: 129,581.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,387.76 : 239,275.38 = 93,899.76 : x
  2. Step 2: Convert to fraction form
    173,387.76/239,275.38 = 93,899.76/x
  3. Step 3: Cross multiply
    173,387.76x = 239,275.38 × 93,899.76
  4. Step 4: Simplify right side
    173,387.76x = 22,467,900,755.91
  5. Step 5: Solve for x
    x = 22,467,900,755.91/173,387.76
  6. Step 6: Final answer
    x = 129,581.82

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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.