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Finding the Fourth Proportional to 108,347.95, 149,516.55 and 59,949.97

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Solution

The fourth proportional to 108,347.95, 149,516.55 and 59,949.97 is: 82,728.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,347.95 : 149,516.55 = 59,949.97 : x
  2. Step 2: Convert to fraction form
    108,347.95/149,516.55 = 59,949.97/x
  3. Step 3: Cross multiply
    108,347.95x = 149,516.55 × 59,949.97
  4. Step 4: Simplify right side
    108,347.95x = 8,963,512,538.02
  5. Step 5: Solve for x
    x = 8,963,512,538.02/108,347.95
  6. Step 6: Final answer
    x = 82,728.95

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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.