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Finding the Fourth Proportional to 172,337.66, 258,514.70 and 54,010.02

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Solution

The fourth proportional to 172,337.66, 258,514.70 and 54,010.02 is: 81,017.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,337.66 : 258,514.70 = 54,010.02 : x
  2. Step 2: Convert to fraction form
    172,337.66/258,514.70 = 54,010.02/x
  3. Step 3: Cross multiply
    172,337.66x = 258,514.70 × 54,010.02
  4. Step 4: Simplify right side
    172,337.66x = 13,962,384,117.29
  5. Step 5: Solve for x
    x = 13,962,384,117.29/172,337.66
  6. Step 6: Final answer
    x = 81,017.60

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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.