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Finding the Fourth Proportional to 237,611.60, 356,305.80 and 137,800.16

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Solution

The fourth proportional to 237,611.60, 356,305.80 and 137,800.16 is: 206,635.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,611.60 : 356,305.80 = 137,800.16 : x
  2. Step 2: Convert to fraction form
    237,611.60/356,305.80 = 137,800.16/x
  3. Step 3: Cross multiply
    237,611.60x = 356,305.80 × 137,800.16
  4. Step 4: Simplify right side
    237,611.60x = 49,098,996,248.93
  5. Step 5: Solve for x
    x = 49,098,996,248.93/237,611.60
  6. Step 6: Final answer
    x = 206,635.52

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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.