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Finding the Fourth Proportional to 124,165.92, 171,348.48 and 67,577.76

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Solution

The fourth proportional to 124,165.92, 171,348.48 and 67,577.76 is: 93,257.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,165.92 : 171,348.48 = 67,577.76 : x
  2. Step 2: Convert to fraction form
    124,165.92/171,348.48 = 67,577.76/x
  3. Step 3: Cross multiply
    124,165.92x = 171,348.48 × 67,577.76
  4. Step 4: Simplify right side
    124,165.92x = 11,579,346,457.80
  5. Step 5: Solve for x
    x = 11,579,346,457.80/124,165.92
  6. Step 6: Final answer
    x = 93,257.04

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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.