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Finding the Fourth Proportional to 108,559.61, 149,794.84 and 60,814.97

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Solution

The fourth proportional to 108,559.61, 149,794.84 and 60,814.97 is: 83,914.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,559.61 : 149,794.84 = 60,814.97 : x
  2. Step 2: Convert to fraction form
    108,559.61/149,794.84 = 60,814.97/x
  3. Step 3: Cross multiply
    108,559.61x = 149,794.84 × 60,814.97
  4. Step 4: Simplify right side
    108,559.61x = 9,109,768,700.75
  5. Step 5: Solve for x
    x = 9,109,768,700.75/108,559.61
  6. Step 6: Final answer
    x = 83,914.90

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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.