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Finding the Fourth Proportional to 124,451.30, 171,753 and 70,753.16

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Solution

The fourth proportional to 124,451.30, 171,753 and 70,753.16 is: 97,645.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,451.30 : 171,753 = 70,753.16 : x
  2. Step 2: Convert to fraction form
    124,451.30/171,753 = 70,753.16/x
  3. Step 3: Cross multiply
    124,451.30x = 171,753 × 70,753.16
  4. Step 4: Simplify right side
    124,451.30x = 12,152,067,489.48
  5. Step 5: Solve for x
    x = 12,152,067,489.48/124,451.30
  6. Step 6: Final answer
    x = 97,645.16

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