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Finding the Fourth Proportional to 272,549.82, 376,114.98 and 151,691.07

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Solution

The fourth proportional to 272,549.82, 376,114.98 and 151,691.07 is: 209,331.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,549.82 : 376,114.98 = 151,691.07 : x
  2. Step 2: Convert to fraction form
    272,549.82/376,114.98 = 151,691.07/x
  3. Step 3: Cross multiply
    272,549.82x = 376,114.98 × 151,691.07
  4. Step 4: Simplify right side
    272,549.82x = 57,053,283,759.23
  5. Step 5: Solve for x
    x = 57,053,283,759.23/272,549.82
  6. Step 6: Final answer
    x = 209,331.58

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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.