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Finding the Fourth Proportional to 158,560.66, 218,854.88 and 98,096.19

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Solution

The fourth proportional to 158,560.66, 218,854.88 and 98,096.19 is: 135,398.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,560.66 : 218,854.88 = 98,096.19 : x
  2. Step 2: Convert to fraction form
    158,560.66/218,854.88 = 98,096.19/x
  3. Step 3: Cross multiply
    158,560.66x = 218,854.88 × 98,096.19
  4. Step 4: Simplify right side
    158,560.66x = 21,468,829,890.91
  5. Step 5: Solve for x
    x = 21,468,829,890.91/158,560.66
  6. Step 6: Final answer
    x = 135,398.21

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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.