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Finding the Fourth Proportional to 179,410.47, 268,861.98 and 99,483.65

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Solution

The fourth proportional to 179,410.47, 268,861.98 and 99,483.65 is: 149,084.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,410.47 : 268,861.98 = 99,483.65 : x
  2. Step 2: Convert to fraction form
    179,410.47/268,861.98 = 99,483.65/x
  3. Step 3: Cross multiply
    179,410.47x = 268,861.98 × 99,483.65
  4. Step 4: Simplify right side
    179,410.47x = 26,747,369,772.32
  5. Step 5: Solve for x
    x = 26,747,369,772.32/179,410.47
  6. Step 6: Final answer
    x = 149,084.78

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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.