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Finding the Fourth Proportional to 378,029.40, 567,044.10 and 168,077.40

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Solution

The fourth proportional to 378,029.40, 567,044.10 and 168,077.40 is: 252,116.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,029.40 : 567,044.10 = 168,077.40 : x
  2. Step 2: Convert to fraction form
    378,029.40/567,044.10 = 168,077.40/x
  3. Step 3: Cross multiply
    378,029.40x = 567,044.10 × 168,077.40
  4. Step 4: Simplify right side
    378,029.40x = 95,307,298,013.34
  5. Step 5: Solve for x
    x = 95,307,298,013.34/378,029.40
  6. Step 6: Final answer
    x = 252,116.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.