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Finding the Fourth Proportional to 244,333.40, 366,564.90 and 86,545.40

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Solution

The fourth proportional to 244,333.40, 366,564.90 and 86,545.40 is: 129,841.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,333.40 : 366,564.90 = 86,545.40 : x
  2. Step 2: Convert to fraction form
    244,333.40/366,564.90 = 86,545.40/x
  3. Step 3: Cross multiply
    244,333.40x = 366,564.90 × 86,545.40
  4. Step 4: Simplify right side
    244,333.40x = 31,724,505,896.46
  5. Step 5: Solve for x
    x = 31,724,505,896.46/244,333.40
  6. Step 6: Final answer
    x = 129,841.05

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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.