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Finding the Fourth Proportional to 135,006.30, 201,991.05 and 88,350.30

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Solution

The fourth proportional to 135,006.30, 201,991.05 and 88,350.30 is: 132,186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,006.30 : 201,991.05 = 88,350.30 : x
  2. Step 2: Convert to fraction form
    135,006.30/201,991.05 = 88,350.30/x
  3. Step 3: Cross multiply
    135,006.30x = 201,991.05 × 88,350.30
  4. Step 4: Simplify right side
    135,006.30x = 17,845,969,864.82
  5. Step 5: Solve for x
    x = 17,845,969,864.82/135,006.30
  6. Step 6: Final answer
    x = 132,186.20

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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.