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Finding the Fourth Proportional to 224,509.38, 336,819.55 and 66,737.17

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Solution

The fourth proportional to 224,509.38, 336,819.55 and 66,737.17 is: 100,122.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,509.38 : 336,819.55 = 66,737.17 : x
  2. Step 2: Convert to fraction form
    224,509.38/336,819.55 = 66,737.17/x
  3. Step 3: Cross multiply
    224,509.38x = 336,819.55 × 66,737.17
  4. Step 4: Simplify right side
    224,509.38x = 22,478,383,567.67
  5. Step 5: Solve for x
    x = 22,478,383,567.67/224,509.38
  6. Step 6: Final answer
    x = 100,122.25

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1.5x scale

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.