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Finding the Fourth Proportional to 110,680.88, 152,742.04 and 60,379.84

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Solution

The fourth proportional to 110,680.88, 152,742.04 and 60,379.84 is: 83,325.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,680.88 : 152,742.04 = 60,379.84 : x
  2. Step 2: Convert to fraction form
    110,680.88/152,742.04 = 60,379.84/x
  3. Step 3: Cross multiply
    110,680.88x = 152,742.04 × 60,379.84
  4. Step 4: Simplify right side
    110,680.88x = 9,222,539,936.47
  5. Step 5: Solve for x
    x = 9,222,539,936.47/110,680.88
  6. Step 6: Final answer
    x = 83,325.50

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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.