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Finding the Fourth Proportional to 187,053.85, 280,606.17 and 60,652.87

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Solution

The fourth proportional to 187,053.85, 280,606.17 and 60,652.87 is: 90,987.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,053.85 : 280,606.17 = 60,652.87 : x
  2. Step 2: Convert to fraction form
    187,053.85/280,606.17 = 60,652.87/x
  3. Step 3: Cross multiply
    187,053.85x = 280,606.17 × 60,652.87
  4. Step 4: Simplify right side
    187,053.85x = 17,019,569,550.21
  5. Step 5: Solve for x
    x = 17,019,569,550.21/187,053.85
  6. Step 6: Final answer
    x = 90,987.54

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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.