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Finding the Fourth Proportional to 100,699.60, 151,044.60 and 34,133.20

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Solution

The fourth proportional to 100,699.60, 151,044.60 and 34,133.20 is: 51,198.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,699.60 : 151,044.60 = 34,133.20 : x
  2. Step 2: Convert to fraction form
    100,699.60/151,044.60 = 34,133.20/x
  3. Step 3: Cross multiply
    100,699.60x = 151,044.60 × 34,133.20
  4. Step 4: Simplify right side
    100,699.60x = 5,155,635,540.72
  5. Step 5: Solve for x
    x = 5,155,635,540.72/100,699.60
  6. Step 6: Final answer
    x = 51,198.17

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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.