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Finding the Fourth Proportional to 244,578.55, 366,977.18 and 86,920.15

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Solution

The fourth proportional to 244,578.55, 366,977.18 and 86,920.15 is: 130,419.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,578.55 : 366,977.18 = 86,920.15 : x
  2. Step 2: Convert to fraction form
    244,578.55/366,977.18 = 86,920.15/x
  3. Step 3: Cross multiply
    244,578.55x = 366,977.18 × 86,920.15
  4. Step 4: Simplify right side
    244,578.55x = 31,897,711,532.18
  5. Step 5: Solve for x
    x = 31,897,711,532.18/244,578.55
  6. Step 6: Final answer
    x = 130,419.09

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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.