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Finding the Fourth Proportional to 110,419.88, 152,379.63 and 60,118.88

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Solution

The fourth proportional to 110,419.88, 152,379.63 and 60,118.88 is: 82,964.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,419.88 : 152,379.63 = 60,118.88 : x
  2. Step 2: Convert to fraction form
    110,419.88/152,379.63 = 60,118.88/x
  3. Step 3: Cross multiply
    110,419.88x = 152,379.63 × 60,118.88
  4. Step 4: Simplify right side
    110,419.88x = 9,160,891,928.52
  5. Step 5: Solve for x
    x = 9,160,891,928.52/110,419.88
  6. Step 6: Final answer
    x = 82,964.16

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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.