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Finding the Fourth Proportional to 234,814.77, 352,203.47 and 66,328.29

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Solution

The fourth proportional to 234,814.77, 352,203.47 and 66,328.29 is: 99,487.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,814.77 : 352,203.47 = 66,328.29 : x
  2. Step 2: Convert to fraction form
    234,814.77/352,203.47 = 66,328.29/x
  3. Step 3: Cross multiply
    234,814.77x = 352,203.47 × 66,328.29
  4. Step 4: Simplify right side
    234,814.77x = 23,361,053,897.17
  5. Step 5: Solve for x
    x = 23,361,053,897.17/234,814.77
  6. Step 6: Final answer
    x = 99,487.16

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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.