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Finding the Fourth Proportional to 134,221.01, 200,893.42 and 98,672.92

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Solution

The fourth proportional to 134,221.01, 200,893.42 and 98,672.92 is: 147,687.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,221.01 : 200,893.42 = 98,672.92 : x
  2. Step 2: Convert to fraction form
    134,221.01/200,893.42 = 98,672.92/x
  3. Step 3: Cross multiply
    134,221.01x = 200,893.42 × 98,672.92
  4. Step 4: Simplify right side
    134,221.01x = 19,822,740,360.19
  5. Step 5: Solve for x
    x = 19,822,740,360.19/134,221.01
  6. Step 6: Final answer
    x = 147,687.31

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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.