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Finding the Fourth Proportional to 224,280.90, 336,486.15 and 66,513.15

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Solution

The fourth proportional to 224,280.90, 336,486.15 and 66,513.15 is: 99,788.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,280.90 : 336,486.15 = 66,513.15 : x
  2. Step 2: Convert to fraction form
    224,280.90/336,486.15 = 66,513.15/x
  3. Step 3: Cross multiply
    224,280.90x = 336,486.15 × 66,513.15
  4. Step 4: Simplify right side
    224,280.90x = 22,380,753,767.87
  5. Step 5: Solve for x
    x = 22,380,753,767.87/224,280.90
  6. Step 6: Final answer
    x = 99,788.94

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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.