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Finding the Fourth Proportional to 172,444.60, 258,186.30 and 88,023.16

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Solution

The fourth proportional to 172,444.60, 258,186.30 and 88,023.16 is: 131,789.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,444.60 : 258,186.30 = 88,023.16 : x
  2. Step 2: Convert to fraction form
    172,444.60/258,186.30 = 88,023.16/x
  3. Step 3: Cross multiply
    172,444.60x = 258,186.30 × 88,023.16
  4. Step 4: Simplify right side
    172,444.60x = 22,726,373,994.71
  5. Step 5: Solve for x
    x = 22,726,373,994.71/172,444.60
  6. Step 6: Final answer
    x = 131,789.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.