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Finding the Fourth Proportional to 108,742.86, 150,064.84 and 60,352.09

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Solution

The fourth proportional to 108,742.86, 150,064.84 and 60,352.09 is: 83,285.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,742.86 : 150,064.84 = 60,352.09 : x
  2. Step 2: Convert to fraction form
    108,742.86/150,064.84 = 60,352.09/x
  3. Step 3: Cross multiply
    108,742.86x = 150,064.84 × 60,352.09
  4. Step 4: Simplify right side
    108,742.86x = 9,056,727,104.68
  5. Step 5: Solve for x
    x = 9,056,727,104.68/108,742.86
  6. Step 6: Final answer
    x = 83,285.72

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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.