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Finding the Fourth Proportional to 115,304.79, 173,034.14 and 40,424.88

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Solution

The fourth proportional to 115,304.79, 173,034.14 and 40,424.88 is: 60,664.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,304.79 : 173,034.14 = 40,424.88 : x
  2. Step 2: Convert to fraction form
    115,304.79/173,034.14 = 40,424.88/x
  3. Step 3: Cross multiply
    115,304.79x = 173,034.14 × 40,424.88
  4. Step 4: Simplify right side
    115,304.79x = 6,994,884,143.28
  5. Step 5: Solve for x
    x = 6,994,884,143.28/115,304.79
  6. Step 6: Final answer
    x = 60,664.30

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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.