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Finding the Fourth Proportional to 108,225.62, 149,329.98 and 60,469.74

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Solution

The fourth proportional to 108,225.62, 149,329.98 and 60,469.74 is: 83,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,225.62 : 149,329.98 = 60,469.74 : x
  2. Step 2: Convert to fraction form
    108,225.62/149,329.98 = 60,469.74/x
  3. Step 3: Cross multiply
    108,225.62x = 149,329.98 × 60,469.74
  4. Step 4: Simplify right side
    108,225.62x = 9,029,945,064.81
  5. Step 5: Solve for x
    x = 9,029,945,064.81/108,225.62
  6. Step 6: Final answer
    x = 83,436.30

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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.