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Finding the Fourth Proportional to 239,634.68, 359,503.04 and 71,155.49

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Solution

The fourth proportional to 239,634.68, 359,503.04 and 71,155.49 is: 106,748.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,634.68 : 359,503.04 = 71,155.49 : x
  2. Step 2: Convert to fraction form
    239,634.68/359,503.04 = 71,155.49/x
  3. Step 3: Cross multiply
    239,634.68x = 359,503.04 × 71,155.49
  4. Step 4: Simplify right side
    239,634.68x = 25,580,613,348.06
  5. Step 5: Solve for x
    x = 25,580,613,348.06/239,634.68
  6. Step 6: Final answer
    x = 106,748.38

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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.