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Finding the Fourth Proportional to 135,888.92, 187,520.44 and 75,463.44

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Solution

The fourth proportional to 135,888.92, 187,520.44 and 75,463.44 is: 104,136.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,888.92 : 187,520.44 = 75,463.44 : x
  2. Step 2: Convert to fraction form
    135,888.92/187,520.44 = 75,463.44/x
  3. Step 3: Cross multiply
    135,888.92x = 187,520.44 × 75,463.44
  4. Step 4: Simplify right side
    135,888.92x = 14,150,937,472.71
  5. Step 5: Solve for x
    x = 14,150,937,472.71/135,888.92
  6. Step 6: Final answer
    x = 104,136.07

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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.