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Finding the Fourth Proportional to 244,605.90, 366,973.65 and 86,817.90

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Solution

The fourth proportional to 244,605.90, 366,973.65 and 86,817.90 is: 130,249.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,605.90 : 366,973.65 = 86,817.90 : x
  2. Step 2: Convert to fraction form
    244,605.90/366,973.65 = 86,817.90/x
  3. Step 3: Cross multiply
    244,605.90x = 366,973.65 × 86,817.90
  4. Step 4: Simplify right side
    244,605.90x = 31,859,881,648.34
  5. Step 5: Solve for x
    x = 31,859,881,648.34/244,605.90
  6. Step 6: Final answer
    x = 130,249.85

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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.