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Finding the Fourth Proportional to 75,700.92, 113,422.25 and 53,471.48

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Solution

The fourth proportional to 75,700.92, 113,422.25 and 53,471.48 is: 80,116.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,700.92 : 113,422.25 = 53,471.48 : x
  2. Step 2: Convert to fraction form
    75,700.92/113,422.25 = 53,471.48/x
  3. Step 3: Cross multiply
    75,700.92x = 113,422.25 × 53,471.48
  4. Step 4: Simplify right side
    75,700.92x = 6,064,855,989.66
  5. Step 5: Solve for x
    x = 6,064,855,989.66/75,700.92
  6. Step 6: Final answer
    x = 80,116.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.