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Finding the Fourth Proportional to 240,164.33, 360,253.80 and 82,390.50

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Solution

The fourth proportional to 240,164.33, 360,253.80 and 82,390.50 is: 123,588.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,164.33 : 360,253.80 = 82,390.50 : x
  2. Step 2: Convert to fraction form
    240,164.33/360,253.80 = 82,390.50/x
  3. Step 3: Cross multiply
    240,164.33x = 360,253.80 × 82,390.50
  4. Step 4: Simplify right side
    240,164.33x = 29,681,490,708.90
  5. Step 5: Solve for x
    x = 29,681,490,708.90/240,164.33
  6. Step 6: Final answer
    x = 123,588.26

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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.