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Finding the Fourth Proportional to 272,355.44, 375,824.12 and 157,611.29

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Solution

The fourth proportional to 272,355.44, 375,824.12 and 157,611.29 is: 217,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,355.44 : 375,824.12 = 157,611.29 : x
  2. Step 2: Convert to fraction form
    272,355.44/375,824.12 = 157,611.29/x
  3. Step 3: Cross multiply
    272,355.44x = 375,824.12 × 157,611.29
  4. Step 4: Simplify right side
    272,355.44x = 59,234,121,699.14
  5. Step 5: Solve for x
    x = 59,234,121,699.14/272,355.44
  6. Step 6: Final answer
    x = 217,488.30

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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.