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Finding the Fourth Proportional to 175,291.79, 241,921.89 and 101,720.43

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Solution

The fourth proportional to 175,291.79, 241,921.89 and 101,720.43 is: 140,385.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,291.79 : 241,921.89 = 101,720.43 : x
  2. Step 2: Convert to fraction form
    175,291.79/241,921.89 = 101,720.43/x
  3. Step 3: Cross multiply
    175,291.79x = 241,921.89 × 101,720.43
  4. Step 4: Simplify right side
    175,291.79x = 24,608,398,326.71
  5. Step 5: Solve for x
    x = 24,608,398,326.71/175,291.79
  6. Step 6: Final answer
    x = 140,385.34

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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.