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Finding the Fourth Proportional to 119,751.40, 179,627.10 and 88,258.60

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Solution

The fourth proportional to 119,751.40, 179,627.10 and 88,258.60 is: 132,387.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,751.40 : 179,627.10 = 88,258.60 : x
  2. Step 2: Convert to fraction form
    119,751.40/179,627.10 = 88,258.60/x
  3. Step 3: Cross multiply
    119,751.40x = 179,627.10 × 88,258.60
  4. Step 4: Simplify right side
    119,751.40x = 15,853,636,368.06
  5. Step 5: Solve for x
    x = 15,853,636,368.06/119,751.40
  6. Step 6: Final answer
    x = 132,387.90

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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.