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Finding the Fourth Proportional to 198,397.68, 273,760.08 and 113,498.88

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Solution

The fourth proportional to 198,397.68, 273,760.08 and 113,498.88 is: 156,612.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,397.68 : 273,760.08 = 113,498.88 : x
  2. Step 2: Convert to fraction form
    198,397.68/273,760.08 = 113,498.88/x
  3. Step 3: Cross multiply
    198,397.68x = 273,760.08 × 113,498.88
  4. Step 4: Simplify right side
    198,397.68x = 31,071,462,468.71
  5. Step 5: Solve for x
    x = 31,071,462,468.71/198,397.68
  6. Step 6: Final answer
    x = 156,612.03

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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.