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Finding the Fourth Proportional to 108,608.72, 149,877.92 and 59,549.76

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Solution

The fourth proportional to 108,608.72, 149,877.92 and 59,549.76 is: 82,177.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,608.72 : 149,877.92 = 59,549.76 : x
  2. Step 2: Convert to fraction form
    108,608.72/149,877.92 = 59,549.76/x
  3. Step 3: Cross multiply
    108,608.72x = 149,877.92 × 59,549.76
  4. Step 4: Simplify right side
    108,608.72x = 8,925,193,867.55
  5. Step 5: Solve for x
    x = 8,925,193,867.55/108,608.72
  6. Step 6: Final answer
    x = 82,177.51

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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.