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Finding the Fourth Proportional to 247,471.12, 341,510.14 and 134,293.87

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Solution

The fourth proportional to 247,471.12, 341,510.14 and 134,293.87 is: 185,325.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,471.12 : 341,510.14 = 134,293.87 : x
  2. Step 2: Convert to fraction form
    247,471.12/341,510.14 = 134,293.87/x
  3. Step 3: Cross multiply
    247,471.12x = 341,510.14 × 134,293.87
  4. Step 4: Simplify right side
    247,471.12x = 45,862,716,301.56
  5. Step 5: Solve for x
    x = 45,862,716,301.56/247,471.12
  6. Step 6: Final answer
    x = 185,325.53

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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.