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Finding the Fourth Proportional to 200,598.60, 300,903.82 and 88,220.52

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Solution

The fourth proportional to 200,598.60, 300,903.82 and 88,220.52 is: 132,333.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,598.60 : 300,903.82 = 88,220.52 : x
  2. Step 2: Convert to fraction form
    200,598.60/300,903.82 = 88,220.52/x
  3. Step 3: Cross multiply
    200,598.60x = 300,903.82 × 88,220.52
  4. Step 4: Simplify right side
    200,598.60x = 26,545,891,470.39
  5. Step 5: Solve for x
    x = 26,545,891,470.39/200,598.60
  6. Step 6: Final answer
    x = 132,333.38

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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.