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Finding the Fourth Proportional to 271,850.78, 375,164.70 and 151,001.18

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Solution

The fourth proportional to 271,850.78, 375,164.70 and 151,001.18 is: 208,387.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,850.78 : 375,164.70 = 151,001.18 : x
  2. Step 2: Convert to fraction form
    271,850.78/375,164.70 = 151,001.18/x
  3. Step 3: Cross multiply
    271,850.78x = 375,164.70 × 151,001.18
  4. Step 4: Simplify right side
    271,850.78x = 56,650,312,394.35
  5. Step 5: Solve for x
    x = 56,650,312,394.35/271,850.78
  6. Step 6: Final answer
    x = 208,387.53

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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.