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Finding the Fourth Proportional to 110,049.16, 151,527.79 and 85,947.48

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Solution

The fourth proportional to 110,049.16, 151,527.79 and 85,947.48 is: 118,341.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,049.16 : 151,527.79 = 85,947.48 : x
  2. Step 2: Convert to fraction form
    110,049.16/151,527.79 = 85,947.48/x
  3. Step 3: Cross multiply
    110,049.16x = 151,527.79 × 85,947.48
  4. Step 4: Simplify right side
    110,049.16x = 13,023,431,700.47
  5. Step 5: Solve for x
    x = 13,023,431,700.47/110,049.16
  6. Step 6: Final answer
    x = 118,341.95

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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.