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Finding the Fourth Proportional to 100,859.34, 151,253.72 and 29,763.11

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Solution

The fourth proportional to 100,859.34, 151,253.72 and 29,763.11 is: 44,634.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,859.34 : 151,253.72 = 29,763.11 : x
  2. Step 2: Convert to fraction form
    100,859.34/151,253.72 = 29,763.11/x
  3. Step 3: Cross multiply
    100,859.34x = 151,253.72 × 29,763.11
  4. Step 4: Simplify right side
    100,859.34x = 4,501,781,335.59
  5. Step 5: Solve for x
    x = 4,501,781,335.59/100,859.34
  6. Step 6: Final answer
    x = 44,634.25

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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.