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Finding the Fourth Proportional to 133,767.40, 200,679.90 and 40,282.60

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Solution

The fourth proportional to 133,767.40, 200,679.90 and 40,282.60 is: 60,432.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,767.40 : 200,679.90 = 40,282.60 : x
  2. Step 2: Convert to fraction form
    133,767.40/200,679.90 = 40,282.60/x
  3. Step 3: Cross multiply
    133,767.40x = 200,679.90 × 40,282.60
  4. Step 4: Simplify right side
    133,767.40x = 8,083,908,139.74
  5. Step 5: Solve for x
    x = 8,083,908,139.74/133,767.40
  6. Step 6: Final answer
    x = 60,432.57

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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.