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Finding the Fourth Proportional to 244,311.80, 366,467.70 and 86,718.20

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Solution

The fourth proportional to 244,311.80, 366,467.70 and 86,718.20 is: 130,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,311.80 : 366,467.70 = 86,718.20 : x
  2. Step 2: Convert to fraction form
    244,311.80/366,467.70 = 86,718.20/x
  3. Step 3: Cross multiply
    244,311.80x = 366,467.70 × 86,718.20
  4. Step 4: Simplify right side
    244,311.80x = 31,779,419,302.14
  5. Step 5: Solve for x
    x = 31,779,419,302.14/244,311.80
  6. Step 6: Final answer
    x = 130,077.30

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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.