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Finding the Fourth Proportional to 110,960.42, 153,127.74 and 60,659.42

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Solution

The fourth proportional to 110,960.42, 153,127.74 and 60,659.42 is: 83,711.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,960.42 : 153,127.74 = 60,659.42 : x
  2. Step 2: Convert to fraction form
    110,960.42/153,127.74 = 60,659.42/x
  3. Step 3: Cross multiply
    110,960.42x = 153,127.74 × 60,659.42
  4. Step 4: Simplify right side
    110,960.42x = 9,288,639,894.31
  5. Step 5: Solve for x
    x = 9,288,639,894.31/110,960.42
  6. Step 6: Final answer
    x = 83,711.29

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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.