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Finding the Fourth Proportional to 119,475.60, 179,310.60 and 115,587.60

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Solution

The fourth proportional to 119,475.60, 179,310.60 and 115,587.60 is: 173,475.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,475.60 : 179,310.60 = 115,587.60 : x
  2. Step 2: Convert to fraction form
    119,475.60/179,310.60 = 115,587.60/x
  3. Step 3: Cross multiply
    119,475.60x = 179,310.60 × 115,587.60
  4. Step 4: Simplify right side
    119,475.60x = 20,726,081,908.56
  5. Step 5: Solve for x
    x = 20,726,081,908.56/119,475.60
  6. Step 6: Final answer
    x = 173,475.44

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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.