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Finding the Fourth Proportional to 58,115.68, 87,206.73 and 48,373

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Solution

The fourth proportional to 58,115.68, 87,206.73 and 48,373 is: 72,587.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,115.68 : 87,206.73 = 48,373 : x
  2. Step 2: Convert to fraction form
    58,115.68/87,206.73 = 48,373/x
  3. Step 3: Cross multiply
    58,115.68x = 87,206.73 × 48,373
  4. Step 4: Simplify right side
    58,115.68x = 4,218,451,150.29
  5. Step 5: Solve for x
    x = 4,218,451,150.29/58,115.68
  6. Step 6: Final answer
    x = 72,587.14

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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.