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Finding the Fourth Proportional to 235,079.71, 352,373.47 and 98,381.13

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Solution

The fourth proportional to 235,079.71, 352,373.47 and 98,381.13 is: 147,468.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,079.71 : 352,373.47 = 98,381.13 : x
  2. Step 2: Convert to fraction form
    235,079.71/352,373.47 = 98,381.13/x
  3. Step 3: Cross multiply
    235,079.71x = 352,373.47 × 98,381.13
  4. Step 4: Simplify right side
    235,079.71x = 34,666,901,789.46
  5. Step 5: Solve for x
    x = 34,666,901,789.46/235,079.71
  6. Step 6: Final answer
    x = 147,468.71

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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.