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Finding the Fourth Proportional to 117,591.48, 176,386.24 and 47,469.72

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Solution

The fourth proportional to 117,591.48, 176,386.24 and 47,469.72 is: 71,204.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,591.48 : 176,386.24 = 47,469.72 : x
  2. Step 2: Convert to fraction form
    117,591.48/176,386.24 = 47,469.72/x
  3. Step 3: Cross multiply
    117,591.48x = 176,386.24 × 47,469.72
  4. Step 4: Simplify right side
    117,591.48x = 8,373,005,424.65
  5. Step 5: Solve for x
    x = 8,373,005,424.65/117,591.48
  6. Step 6: Final answer
    x = 71,204.18

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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.