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Finding the Fourth Proportional to 67,465.40, 101,036.10 and 36,231.80

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Solution

The fourth proportional to 67,465.40, 101,036.10 and 36,231.80 is: 54,260.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,465.40 : 101,036.10 = 36,231.80 : x
  2. Step 2: Convert to fraction form
    67,465.40/101,036.10 = 36,231.80/x
  3. Step 3: Cross multiply
    67,465.40x = 101,036.10 × 36,231.80
  4. Step 4: Simplify right side
    67,465.40x = 3,660,719,767.98
  5. Step 5: Solve for x
    x = 3,660,719,767.98/67,465.40
  6. Step 6: Final answer
    x = 54,260.70

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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.