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Finding the Fourth Proportional to 150,583.39, 225,635.15 and 79,503.15

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Solution

The fourth proportional to 150,583.39, 225,635.15 and 79,503.15 is: 119,128.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,583.39 : 225,635.15 = 79,503.15 : x
  2. Step 2: Convert to fraction form
    150,583.39/225,635.15 = 79,503.15/x
  3. Step 3: Cross multiply
    150,583.39x = 225,635.15 × 79,503.15
  4. Step 4: Simplify right side
    150,583.39x = 17,938,706,220.61
  5. Step 5: Solve for x
    x = 17,938,706,220.61/150,583.39
  6. Step 6: Final answer
    x = 119,128.06

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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.