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Finding the Fourth Proportional to 270,291.44, 373,061.40 and 157,179.44

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Solution

The fourth proportional to 270,291.44, 373,061.40 and 157,179.44 is: 216,942.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,291.44 : 373,061.40 = 157,179.44 : x
  2. Step 2: Convert to fraction form
    270,291.44/373,061.40 = 157,179.44/x
  3. Step 3: Cross multiply
    270,291.44x = 373,061.40 × 157,179.44
  4. Step 4: Simplify right side
    270,291.44x = 58,637,581,937.62
  5. Step 5: Solve for x
    x = 58,637,581,937.62/270,291.44
  6. Step 6: Final answer
    x = 216,942.06

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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.