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Finding the Fourth Proportional to 172,352.46, 258,528.69 and 54,024.42

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Solution

The fourth proportional to 172,352.46, 258,528.69 and 54,024.42 is: 81,036.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,352.46 : 258,528.69 = 54,024.42 : x
  2. Step 2: Convert to fraction form
    172,352.46/258,528.69 = 54,024.42/x
  3. Step 3: Cross multiply
    172,352.46x = 258,528.69 × 54,024.42
  4. Step 4: Simplify right side
    172,352.46x = 13,966,862,530.61
  5. Step 5: Solve for x
    x = 13,966,862,530.61/172,352.46
  6. Step 6: Final answer
    x = 81,036.63

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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.