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Finding the Fourth Proportional to 239,692.77, 359,527.48 and 89,921.39

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Solution

The fourth proportional to 239,692.77, 359,527.48 and 89,921.39 is: 134,877.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,692.77 : 359,527.48 = 89,921.39 : x
  2. Step 2: Convert to fraction form
    239,692.77/359,527.48 = 89,921.39/x
  3. Step 3: Cross multiply
    239,692.77x = 359,527.48 × 89,921.39
  4. Step 4: Simplify right side
    239,692.77x = 32,329,210,744.70
  5. Step 5: Solve for x
    x = 32,329,210,744.70/239,692.77
  6. Step 6: Final answer
    x = 134,877.71

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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.