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Finding the Fourth Proportional to 86,195.52, 118,949.04 and 48,470.04

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Solution

The fourth proportional to 86,195.52, 118,949.04 and 48,470.04 is: 66,888.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,195.52 : 118,949.04 = 48,470.04 : x
  2. Step 2: Convert to fraction form
    86,195.52/118,949.04 = 48,470.04/x
  3. Step 3: Cross multiply
    86,195.52x = 118,949.04 × 48,470.04
  4. Step 4: Simplify right side
    86,195.52x = 5,765,464,726.76
  5. Step 5: Solve for x
    x = 5,765,464,726.76/86,195.52
  6. Step 6: Final answer
    x = 66,888.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.