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Finding the Fourth Proportional to 244,233.90, 366,415.65 and 86,445.90

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Solution

The fourth proportional to 244,233.90, 366,415.65 and 86,445.90 is: 129,691.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,233.90 : 366,415.65 = 86,445.90 : x
  2. Step 2: Convert to fraction form
    244,233.90/366,415.65 = 86,445.90/x
  3. Step 3: Cross multiply
    244,233.90x = 366,415.65 × 86,445.90
  4. Step 4: Simplify right side
    244,233.90x = 31,675,130,638.34
  5. Step 5: Solve for x
    x = 31,675,130,638.34/244,233.90
  6. Step 6: Final answer
    x = 129,691.79

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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.