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Finding the Fourth Proportional to 119,176.60, 178,764.90 and 36,070.60

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Solution

The fourth proportional to 119,176.60, 178,764.90 and 36,070.60 is: 54,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,176.60 : 178,764.90 = 36,070.60 : x
  2. Step 2: Convert to fraction form
    119,176.60/178,764.90 = 36,070.60/x
  3. Step 3: Cross multiply
    119,176.60x = 178,764.90 × 36,070.60
  4. Step 4: Simplify right side
    119,176.60x = 6,448,157,201.94
  5. Step 5: Solve for x
    x = 6,448,157,201.94/119,176.60
  6. Step 6: Final answer
    x = 54,105.90

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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.