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Finding the Fourth Proportional to 119,753.20, 179,629.80 and 93,314.80

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Solution

The fourth proportional to 119,753.20, 179,629.80 and 93,314.80 is: 139,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,753.20 : 179,629.80 = 93,314.80 : x
  2. Step 2: Convert to fraction form
    119,753.20/179,629.80 = 93,314.80/x
  3. Step 3: Cross multiply
    119,753.20x = 179,629.80 × 93,314.80
  4. Step 4: Simplify right side
    119,753.20x = 16,762,118,861.04
  5. Step 5: Solve for x
    x = 16,762,118,861.04/119,753.20
  6. Step 6: Final answer
    x = 139,972.20

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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.