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Finding the Fourth Proportional to 172,373.83, 258,560.75 and 54,054.70

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Solution

The fourth proportional to 172,373.83, 258,560.75 and 54,054.70 is: 81,082.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,373.83 : 258,560.75 = 54,054.70 : x
  2. Step 2: Convert to fraction form
    172,373.83/258,560.75 = 54,054.70/x
  3. Step 3: Cross multiply
    172,373.83x = 258,560.75 × 54,054.70
  4. Step 4: Simplify right side
    172,373.83x = 13,976,423,773.03
  5. Step 5: Solve for x
    x = 13,976,423,773.03/172,373.83
  6. Step 6: Final answer
    x = 81,082.05

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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.