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Finding the Fourth Proportional to 172,246.44, 258,352.95 and 52,304.43

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Solution

The fourth proportional to 172,246.44, 258,352.95 and 52,304.43 is: 78,451.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,246.44 : 258,352.95 = 52,304.43 : x
  2. Step 2: Convert to fraction form
    172,246.44/258,352.95 = 52,304.43/x
  3. Step 3: Cross multiply
    172,246.44x = 258,352.95 × 52,304.43
  4. Step 4: Simplify right side
    172,246.44x = 13,513,003,788.57
  5. Step 5: Solve for x
    x = 13,513,003,788.57/172,246.44
  6. Step 6: Final answer
    x = 78,451.57

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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.