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Finding the Fourth Proportional to 169,744.17, 254,374.86 and 125,019.21

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Solution

The fourth proportional to 169,744.17, 254,374.86 and 125,019.21 is: 187,351.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,744.17 : 254,374.86 = 125,019.21 : x
  2. Step 2: Convert to fraction form
    169,744.17/254,374.86 = 125,019.21/x
  3. Step 3: Cross multiply
    169,744.17x = 254,374.86 × 125,019.21
  4. Step 4: Simplify right side
    169,744.17x = 31,801,744,041.06
  5. Step 5: Solve for x
    x = 31,801,744,041.06/169,744.17
  6. Step 6: Final answer
    x = 187,351.02

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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.