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Finding the Fourth Proportional to 234,810.60, 352,215.90 and 77,044.20

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Solution

The fourth proportional to 234,810.60, 352,215.90 and 77,044.20 is: 115,566.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,810.60 : 352,215.90 = 77,044.20 : x
  2. Step 2: Convert to fraction form
    234,810.60/352,215.90 = 77,044.20/x
  3. Step 3: Cross multiply
    234,810.60x = 352,215.90 × 77,044.20
  4. Step 4: Simplify right side
    234,810.60x = 27,136,192,242.78
  5. Step 5: Solve for x
    x = 27,136,192,242.78/234,810.60
  6. Step 6: Final answer
    x = 115,566.30

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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.