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Finding the Fourth Proportional to 200,581.85, 300,970.72 and 88,248.02

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Solution

The fourth proportional to 200,581.85, 300,970.72 and 88,248.02 is: 132,415.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,581.85 : 300,970.72 = 88,248.02 : x
  2. Step 2: Convert to fraction form
    200,581.85/300,970.72 = 88,248.02/x
  3. Step 3: Cross multiply
    200,581.85x = 300,970.72 × 88,248.02
  4. Step 4: Simplify right side
    200,581.85x = 26,560,068,723.43
  5. Step 5: Solve for x
    x = 26,560,068,723.43/200,581.85
  6. Step 6: Final answer
    x = 132,415.11

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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.