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Finding the Fourth Proportional to 175,343.60, 241,978.92 and 107,359.28

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Solution

The fourth proportional to 175,343.60, 241,978.92 and 107,359.28 is: 148,158.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,343.60 : 241,978.92 = 107,359.28 : x
  2. Step 2: Convert to fraction form
    175,343.60/241,978.92 = 107,359.28/x
  3. Step 3: Cross multiply
    175,343.60x = 241,978.92 × 107,359.28
  4. Step 4: Simplify right side
    175,343.60x = 25,978,682,626.38
  5. Step 5: Solve for x
    x = 25,978,682,626.38/175,343.60
  6. Step 6: Final answer
    x = 148,158.72

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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.