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Finding the Fourth Proportional to 133,332.60, 200,229.30 and 71,124.60

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Solution

The fourth proportional to 133,332.60, 200,229.30 and 71,124.60 is: 106,809.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,332.60 : 200,229.30 = 71,124.60 : x
  2. Step 2: Convert to fraction form
    133,332.60/200,229.30 = 71,124.60/x
  3. Step 3: Cross multiply
    133,332.60x = 200,229.30 × 71,124.60
  4. Step 4: Simplify right side
    133,332.60x = 14,241,228,870.78
  5. Step 5: Solve for x
    x = 14,241,228,870.78/133,332.60
  6. Step 6: Final answer
    x = 106,809.80

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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.