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Finding the Fourth Proportional to 124,377.60, 171,640.44 and 67,788.48

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Solution

The fourth proportional to 124,377.60, 171,640.44 and 67,788.48 is: 93,547.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,377.60 : 171,640.44 = 67,788.48 : x
  2. Step 2: Convert to fraction form
    124,377.60/171,640.44 = 67,788.48/x
  3. Step 3: Cross multiply
    124,377.60x = 171,640.44 × 67,788.48
  4. Step 4: Simplify right side
    124,377.60x = 11,635,244,534.13
  5. Step 5: Solve for x
    x = 11,635,244,534.13/124,377.60
  6. Step 6: Final answer
    x = 93,547.75

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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.