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Finding the Fourth Proportional to 172,726.32, 238,356.03 and 96,241.47

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Solution

The fourth proportional to 172,726.32, 238,356.03 and 96,241.47 is: 132,809.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,726.32 : 238,356.03 = 96,241.47 : x
  2. Step 2: Convert to fraction form
    172,726.32/238,356.03 = 96,241.47/x
  3. Step 3: Cross multiply
    172,726.32x = 238,356.03 × 96,241.47
  4. Step 4: Simplify right side
    172,726.32x = 22,939,734,177.63
  5. Step 5: Solve for x
    x = 22,939,734,177.63/172,726.32
  6. Step 6: Final answer
    x = 132,809.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.