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Finding the Fourth Proportional to 154,610.46, 231,917.85 and 43,802.46

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Solution

The fourth proportional to 154,610.46, 231,917.85 and 43,802.46 is: 65,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,610.46 : 231,917.85 = 43,802.46 : x
  2. Step 2: Convert to fraction form
    154,610.46/231,917.85 = 43,802.46/x
  3. Step 3: Cross multiply
    154,610.46x = 231,917.85 × 43,802.46
  4. Step 4: Simplify right side
    154,610.46x = 10,158,572,347.91
  5. Step 5: Solve for x
    x = 10,158,572,347.91/154,610.46
  6. Step 6: Final answer
    x = 65,704.30

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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.