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Finding the Fourth Proportional to 137,227.64, 205,841.46 and 38,731.64

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Solution

The fourth proportional to 137,227.64, 205,841.46 and 38,731.64 is: 58,097.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,227.64 : 205,841.46 = 38,731.64 : x
  2. Step 2: Convert to fraction form
    137,227.64/205,841.46 = 38,731.64/x
  3. Step 3: Cross multiply
    137,227.64x = 205,841.46 × 38,731.64
  4. Step 4: Simplify right side
    137,227.64x = 7,972,577,325.79
  5. Step 5: Solve for x
    x = 7,972,577,325.79/137,227.64
  6. Step 6: Final answer
    x = 58,097.46

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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.