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Finding the Fourth Proportional to 244,366.10, 366,281.85 and 86,513.30

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Solution

The fourth proportional to 244,366.10, 366,281.85 and 86,513.30 is: 129,675.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,366.10 : 366,281.85 = 86,513.30 : x
  2. Step 2: Convert to fraction form
    244,366.10/366,281.85 = 86,513.30/x
  3. Step 3: Cross multiply
    244,366.10x = 366,281.85 × 86,513.30
  4. Step 4: Simplify right side
    244,366.10x = 31,688,251,573.61
  5. Step 5: Solve for x
    x = 31,688,251,573.61/244,366.10
  6. Step 6: Final answer
    x = 129,675.32

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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.