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Finding the Fourth Proportional to 179,695.60, 269,505.60 and 90,865.60

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Solution

The fourth proportional to 179,695.60, 269,505.60 and 90,865.60 is: 136,279.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,695.60 : 269,505.60 = 90,865.60 : x
  2. Step 2: Convert to fraction form
    179,695.60/269,505.60 = 90,865.60/x
  3. Step 3: Cross multiply
    179,695.60x = 269,505.60 × 90,865.60
  4. Step 4: Simplify right side
    179,695.60x = 24,488,788,047.36
  5. Step 5: Solve for x
    x = 24,488,788,047.36/179,695.60
  6. Step 6: Final answer
    x = 136,279.29

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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.