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Finding the Fourth Proportional to 244,358.70, 366,538.05 and 86,603.10

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Solution

The fourth proportional to 244,358.70, 366,538.05 and 86,603.10 is: 129,904.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,358.70 : 366,538.05 = 86,603.10 : x
  2. Step 2: Convert to fraction form
    244,358.70/366,538.05 = 86,603.10/x
  3. Step 3: Cross multiply
    244,358.70x = 366,538.05 × 86,603.10
  4. Step 4: Simplify right side
    244,358.70x = 31,743,331,397.96
  5. Step 5: Solve for x
    x = 31,743,331,397.96/244,358.70
  6. Step 6: Final answer
    x = 129,904.65

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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.