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Finding the Fourth Proportional to 100,073.19, 150,281.55 and 88,853.88

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Solution

The fourth proportional to 100,073.19, 150,281.55 and 88,853.88 is: 133,433.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,073.19 : 150,281.55 = 88,853.88 : x
  2. Step 2: Convert to fraction form
    100,073.19/150,281.55 = 88,853.88/x
  3. Step 3: Cross multiply
    100,073.19x = 150,281.55 × 88,853.88
  4. Step 4: Simplify right side
    100,073.19x = 13,353,098,809.91
  5. Step 5: Solve for x
    x = 13,353,098,809.91/100,073.19
  6. Step 6: Final answer
    x = 133,433.33

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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.