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Finding the Fourth Proportional to 200,287.70, 300,535.08 and 88,046.72

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Solution

The fourth proportional to 200,287.70, 300,535.08 and 88,046.72 is: 132,115.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,287.70 : 300,535.08 = 88,046.72 : x
  2. Step 2: Convert to fraction form
    200,287.70/300,535.08 = 88,046.72/x
  3. Step 3: Cross multiply
    200,287.70x = 300,535.08 × 88,046.72
  4. Step 4: Simplify right side
    200,287.70x = 26,461,128,038.94
  5. Step 5: Solve for x
    x = 26,461,128,038.94/200,287.70
  6. Step 6: Final answer
    x = 132,115.59

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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.