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Finding the Fourth Proportional to 119,158.40, 178,802.40 and 49,044.80

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Solution

The fourth proportional to 119,158.40, 178,802.40 and 49,044.80 is: 73,593.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,158.40 : 178,802.40 = 49,044.80 : x
  2. Step 2: Convert to fraction form
    119,158.40/178,802.40 = 49,044.80/x
  3. Step 3: Cross multiply
    119,158.40x = 178,802.40 × 49,044.80
  4. Step 4: Simplify right side
    119,158.40x = 8,769,327,947.52
  5. Step 5: Solve for x
    x = 8,769,327,947.52/119,158.40
  6. Step 6: Final answer
    x = 73,593.87

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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.