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Finding the Fourth Proportional to 119,060.87, 178,591.46 and 40,230.45

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Solution

The fourth proportional to 119,060.87, 178,591.46 and 40,230.45 is: 60,345.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,060.87 : 178,591.46 = 40,230.45 : x
  2. Step 2: Convert to fraction form
    119,060.87/178,591.46 = 40,230.45/x
  3. Step 3: Cross multiply
    119,060.87x = 178,591.46 × 40,230.45
  4. Step 4: Simplify right side
    119,060.87x = 7,184,814,600.80
  5. Step 5: Solve for x
    x = 7,184,814,600.80/119,060.87
  6. Step 6: Final answer
    x = 60,345.73

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1.5x scale

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.