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Finding the Fourth Proportional to 110,942.64, 153,100.92 and 60,641.64

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Solution

The fourth proportional to 110,942.64, 153,100.92 and 60,641.64 is: 83,685.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,942.64 : 153,100.92 = 60,641.64 : x
  2. Step 2: Convert to fraction form
    110,942.64/153,100.92 = 60,641.64/x
  3. Step 3: Cross multiply
    110,942.64x = 153,100.92 × 60,641.64
  4. Step 4: Simplify right side
    110,942.64x = 9,284,290,874.31
  5. Step 5: Solve for x
    x = 9,284,290,874.31/110,942.64
  6. Step 6: Final answer
    x = 83,685.51

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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.