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Finding the Fourth Proportional to 226,339.64, 312,372.42 and 125,737.64

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Solution

The fourth proportional to 226,339.64, 312,372.42 and 125,737.64 is: 173,531.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,339.64 : 312,372.42 = 125,737.64 : x
  2. Step 2: Convert to fraction form
    226,339.64/312,372.42 = 125,737.64/x
  3. Step 3: Cross multiply
    226,339.64x = 312,372.42 × 125,737.64
  4. Step 4: Simplify right side
    226,339.64x = 39,276,970,891.89
  5. Step 5: Solve for x
    x = 39,276,970,891.89/226,339.64
  6. Step 6: Final answer
    x = 173,531.12

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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.