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Finding the Fourth Proportional to 244,538.80, 366,808.20 and 86,783.20

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Solution

The fourth proportional to 244,538.80, 366,808.20 and 86,783.20 is: 130,174.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,538.80 : 366,808.20 = 86,783.20 : x
  2. Step 2: Convert to fraction form
    244,538.80/366,808.20 = 86,783.20/x
  3. Step 3: Cross multiply
    244,538.80x = 366,808.20 × 86,783.20
  4. Step 4: Simplify right side
    244,538.80x = 31,832,789,382.24
  5. Step 5: Solve for x
    x = 31,832,789,382.24/244,538.80
  6. Step 6: Final answer
    x = 130,174.80

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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.