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Finding the Fourth Proportional to 234,999.90, 352,513.52 and 66,506.13

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Solution

The fourth proportional to 234,999.90, 352,513.52 and 66,506.13 is: 99,763.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,999.90 : 352,513.52 = 66,506.13 : x
  2. Step 2: Convert to fraction form
    234,999.90/352,513.52 = 66,506.13/x
  3. Step 3: Cross multiply
    234,999.90x = 352,513.52 × 66,506.13
  4. Step 4: Simplify right side
    234,999.90x = 23,444,309,655.35
  5. Step 5: Solve for x
    x = 23,444,309,655.35/234,999.90
  6. Step 6: Final answer
    x = 99,763.06

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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.