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Finding the Fourth Proportional to 119,770.40, 179,655.60 and 88,277.60

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Solution

The fourth proportional to 119,770.40, 179,655.60 and 88,277.60 is: 132,416.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,770.40 : 179,655.60 = 88,277.60 : x
  2. Step 2: Convert to fraction form
    119,770.40/179,655.60 = 88,277.60/x
  3. Step 3: Cross multiply
    119,770.40x = 179,655.60 × 88,277.60
  4. Step 4: Simplify right side
    119,770.40x = 15,859,565,194.56
  5. Step 5: Solve for x
    x = 15,859,565,194.56/119,770.40
  6. Step 6: Final answer
    x = 132,416.40

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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.