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Finding the Fourth Proportional to 240,665.70, 360,998.55 and 122,567.70

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Solution

The fourth proportional to 240,665.70, 360,998.55 and 122,567.70 is: 183,851.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,665.70 : 360,998.55 = 122,567.70 : x
  2. Step 2: Convert to fraction form
    240,665.70/360,998.55 = 122,567.70/x
  3. Step 3: Cross multiply
    240,665.70x = 360,998.55 × 122,567.70
  4. Step 4: Simplify right side
    240,665.70x = 44,246,761,976.84
  5. Step 5: Solve for x
    x = 44,246,761,976.84/240,665.70
  6. Step 6: Final answer
    x = 183,851.55

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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.