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Finding the Fourth Proportional to 244,218.60, 366,371.10 and 86,538.60

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Solution

The fourth proportional to 244,218.60, 366,371.10 and 86,538.60 is: 129,823.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,218.60 : 366,371.10 = 86,538.60 : x
  2. Step 2: Convert to fraction form
    244,218.60/366,371.10 = 86,538.60/x
  3. Step 3: Cross multiply
    244,218.60x = 366,371.10 × 86,538.60
  4. Step 4: Simplify right side
    244,218.60x = 31,705,242,074.46
  5. Step 5: Solve for x
    x = 31,705,242,074.46/244,218.60
  6. Step 6: Final answer
    x = 129,823.21

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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.