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Finding the Fourth Proportional to 119,490.60, 178,847.10 and 93,052.20

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Solution

The fourth proportional to 119,490.60, 178,847.10 and 93,052.20 is: 139,275.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,490.60 : 178,847.10 = 93,052.20 : x
  2. Step 2: Convert to fraction form
    119,490.60/178,847.10 = 93,052.20/x
  3. Step 3: Cross multiply
    119,490.60x = 178,847.10 × 93,052.20
  4. Step 4: Simplify right side
    119,490.60x = 16,642,116,118.62
  5. Step 5: Solve for x
    x = 16,642,116,118.62/119,490.60
  6. Step 6: Final answer
    x = 139,275.53

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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.