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Finding the Fourth Proportional to 172,374.73, 258,801.98 and 88,193.00

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Solution

The fourth proportional to 172,374.73, 258,801.98 and 88,193.00 is: 132,412.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,374.73 : 258,801.98 = 88,193.00 : x
  2. Step 2: Convert to fraction form
    172,374.73/258,801.98 = 88,193.00/x
  3. Step 3: Cross multiply
    172,374.73x = 258,801.98 × 88,193.00
  4. Step 4: Simplify right side
    172,374.73x = 22,824,521,745.48
  5. Step 5: Solve for x
    x = 22,824,521,745.48/172,374.73
  6. Step 6: Final answer
    x = 132,412.23

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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.