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Finding the Fourth Proportional to 225,312.60, 338,012.64 and 67,527.84

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Solution

The fourth proportional to 225,312.60, 338,012.64 and 67,527.84 is: 101,304.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,312.60 : 338,012.64 = 67,527.84 : x
  2. Step 2: Convert to fraction form
    225,312.60/338,012.64 = 67,527.84/x
  3. Step 3: Cross multiply
    225,312.60x = 338,012.64 × 67,527.84
  4. Step 4: Simplify right side
    225,312.60x = 22,825,263,471.90
  5. Step 5: Solve for x
    x = 22,825,263,471.90/225,312.60
  6. Step 6: Final answer
    x = 101,304.87

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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.