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Finding the Fourth Proportional to 108,064.76, 149,116.80 and 60,316.52

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Solution

The fourth proportional to 108,064.76, 149,116.80 and 60,316.52 is: 83,229.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,064.76 : 149,116.80 = 60,316.52 : x
  2. Step 2: Convert to fraction form
    108,064.76/149,116.80 = 60,316.52/x
  3. Step 3: Cross multiply
    108,064.76x = 149,116.80 × 60,316.52
  4. Step 4: Simplify right side
    108,064.76x = 8,994,206,449.54
  5. Step 5: Solve for x
    x = 8,994,206,449.54/108,064.76
  6. Step 6: Final answer
    x = 83,229.78

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1.5x scale

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.