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Finding the Fourth Proportional to 270,692.74, 373,470.10 and 157,493.62

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Solution

The fourth proportional to 270,692.74, 373,470.10 and 157,493.62 is: 217,291.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,692.74 : 373,470.10 = 157,493.62 : x
  2. Step 2: Convert to fraction form
    270,692.74/373,470.10 = 157,493.62/x
  3. Step 3: Cross multiply
    270,692.74x = 373,470.10 × 157,493.62
  4. Step 4: Simplify right side
    270,692.74x = 58,819,158,010.76
  5. Step 5: Solve for x
    x = 58,819,158,010.76/270,692.74
  6. Step 6: Final answer
    x = 217,291.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.