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Finding the Fourth Proportional to 172,373.96, 258,560.94 and 54,054.83

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Solution

The fourth proportional to 172,373.96, 258,560.94 and 54,054.83 is: 81,082.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,373.96 : 258,560.94 = 54,054.83 : x
  2. Step 2: Convert to fraction form
    172,373.96/258,560.94 = 54,054.83/x
  3. Step 3: Cross multiply
    172,373.96x = 258,560.94 × 54,054.83
  4. Step 4: Simplify right side
    172,373.96x = 13,976,466,363.54
  5. Step 5: Solve for x
    x = 13,976,466,363.54/172,373.96
  6. Step 6: Final answer
    x = 81,082.24

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1.5x scale

Why These Related Problems?

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