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Finding the Fourth Proportional to 108,295.92, 149,454 and 60,546.60

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Solution

The fourth proportional to 108,295.92, 149,454 and 60,546.60 is: 83,557.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,295.92 : 149,454 = 60,546.60 : x
  2. Step 2: Convert to fraction form
    108,295.92/149,454 = 60,546.60/x
  3. Step 3: Cross multiply
    108,295.92x = 149,454 × 60,546.60
  4. Step 4: Simplify right side
    108,295.92x = 9,048,931,556.40
  5. Step 5: Solve for x
    x = 9,048,931,556.40/108,295.92
  6. Step 6: Final answer
    x = 83,557.46

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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.