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Finding the Fourth Proportional to 224,275.53, 309,507.71 and 122,306.57

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Solution

The fourth proportional to 224,275.53, 309,507.71 and 122,306.57 is: 168,787.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,275.53 : 309,507.71 = 122,306.57 : x
  2. Step 2: Convert to fraction form
    224,275.53/309,507.71 = 122,306.57/x
  3. Step 3: Cross multiply
    224,275.53x = 309,507.71 × 122,306.57
  4. Step 4: Simplify right side
    224,275.53x = 37,854,826,560.89
  5. Step 5: Solve for x
    x = 37,854,826,560.89/224,275.53
  6. Step 6: Final answer
    x = 168,787.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.