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Finding the Fourth Proportional to 137,655.83, 206,440.00 and 93,565.91

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Solution

The fourth proportional to 137,655.83, 206,440.00 and 93,565.91 is: 140,319.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,655.83 : 206,440.00 = 93,565.91 : x
  2. Step 2: Convert to fraction form
    137,655.83/206,440.00 = 93,565.91/x
  3. Step 3: Cross multiply
    137,655.83x = 206,440.00 × 93,565.91
  4. Step 4: Simplify right side
    137,655.83x = 19,315,746,742.59
  5. Step 5: Solve for x
    x = 19,315,746,742.59/137,655.83
  6. Step 6: Final answer
    x = 140,319.13

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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.