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Finding the Fourth Proportional to 276,101.40, 414,152.10 and 98,614.20

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Solution

The fourth proportional to 276,101.40, 414,152.10 and 98,614.20 is: 147,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,101.40 : 414,152.10 = 98,614.20 : x
  2. Step 2: Convert to fraction form
    276,101.40/414,152.10 = 98,614.20/x
  3. Step 3: Cross multiply
    276,101.40x = 414,152.10 × 98,614.20
  4. Step 4: Simplify right side
    276,101.40x = 40,841,278,019.82
  5. Step 5: Solve for x
    x = 40,841,278,019.82/276,101.40
  6. Step 6: Final answer
    x = 147,921.30

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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.