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Finding the Fourth Proportional to 135,061.01, 202,626.55 and 71,829.14

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Solution

The fourth proportional to 135,061.01, 202,626.55 and 71,829.14 is: 107,762.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,061.01 : 202,626.55 = 71,829.14 : x
  2. Step 2: Convert to fraction form
    135,061.01/202,626.55 = 71,829.14/x
  3. Step 3: Cross multiply
    135,061.01x = 202,626.55 × 71,829.14
  4. Step 4: Simplify right side
    135,061.01x = 14,554,489,455.39
  5. Step 5: Solve for x
    x = 14,554,489,455.39/135,061.01
  6. Step 6: Final answer
    x = 107,762.33

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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.