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Finding the Fourth Proportional to 137,900.68, 206,678.58 and 58,922.44

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Solution

The fourth proportional to 137,900.68, 206,678.58 and 58,922.44 is: 88,309.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,900.68 : 206,678.58 = 58,922.44 : x
  2. Step 2: Convert to fraction form
    137,900.68/206,678.58 = 58,922.44/x
  3. Step 3: Cross multiply
    137,900.68x = 206,678.58 × 58,922.44
  4. Step 4: Simplify right side
    137,900.68x = 12,178,006,229.34
  5. Step 5: Solve for x
    x = 12,178,006,229.34/137,900.68
  6. Step 6: Final answer
    x = 88,309.98

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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.