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Finding the Fourth Proportional to 174,456.62, 261,641.19 and 127,623.23

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Solution

The fourth proportional to 174,456.62, 261,641.19 and 127,623.23 is: 191,402.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,456.62 : 261,641.19 = 127,623.23 : x
  2. Step 2: Convert to fraction form
    174,456.62/261,641.19 = 127,623.23/x
  3. Step 3: Cross multiply
    174,456.62x = 261,641.19 × 127,623.23
  4. Step 4: Simplify right side
    174,456.62x = 33,391,494,422.95
  5. Step 5: Solve for x
    x = 33,391,494,422.95/174,456.62
  6. Step 6: Final answer
    x = 191,402.85

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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.