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Finding the Fourth Proportional to 101,357.01, 152,052.62 and 34,781.09

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Solution

The fourth proportional to 101,357.01, 152,052.62 and 34,781.09 is: 52,177.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,357.01 : 152,052.62 = 34,781.09 : x
  2. Step 2: Convert to fraction form
    101,357.01/152,052.62 = 34,781.09/x
  3. Step 3: Cross multiply
    101,357.01x = 152,052.62 × 34,781.09
  4. Step 4: Simplify right side
    101,357.01x = 5,288,554,926.79
  5. Step 5: Solve for x
    x = 5,288,554,926.79/101,357.01
  6. Step 6: Final answer
    x = 52,177.50

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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.