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Finding the Fourth Proportional to 119,981.92, 179,997.84 and 60,041.44

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Solution

The fourth proportional to 119,981.92, 179,997.84 and 60,041.44 is: 90,074.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,981.92 : 179,997.84 = 60,041.44 : x
  2. Step 2: Convert to fraction form
    119,981.92/179,997.84 = 60,041.44/x
  3. Step 3: Cross multiply
    119,981.92x = 179,997.84 × 60,041.44
  4. Step 4: Simplify right side
    119,981.92x = 10,807,329,510.49
  5. Step 5: Solve for x
    x = 10,807,329,510.49/119,981.92
  6. Step 6: Final answer
    x = 90,074.65

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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.