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Finding the Fourth Proportional to 108,340.59, 149,524.11 and 60,603.84

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Solution

The fourth proportional to 108,340.59, 149,524.11 and 60,603.84 is: 83,641.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,340.59 : 149,524.11 = 60,603.84 : x
  2. Step 2: Convert to fraction form
    108,340.59/149,524.11 = 60,603.84/x
  3. Step 3: Cross multiply
    108,340.59x = 149,524.11 × 60,603.84
  4. Step 4: Simplify right side
    108,340.59x = 9,061,735,238.58
  5. Step 5: Solve for x
    x = 9,061,735,238.58/108,340.59
  6. Step 6: Final answer
    x = 83,641.18

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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.