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Finding the Fourth Proportional to 110,861.77, 152,986.03 and 60,560.77

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Solution

The fourth proportional to 110,861.77, 152,986.03 and 60,560.77 is: 83,572.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,861.77 : 152,986.03 = 60,560.77 : x
  2. Step 2: Convert to fraction form
    110,861.77/152,986.03 = 60,560.77/x
  3. Step 3: Cross multiply
    110,861.77x = 152,986.03 × 60,560.77
  4. Step 4: Simplify right side
    110,861.77x = 9,264,951,776.04
  5. Step 5: Solve for x
    x = 9,264,951,776.04/110,861.77
  6. Step 6: Final answer
    x = 83,572.11

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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.