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Finding the Fourth Proportional to 244,302.80, 366,454.20 and 86,709.20

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Solution

The fourth proportional to 244,302.80, 366,454.20 and 86,709.20 is: 130,063.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,302.80 : 366,454.20 = 86,709.20 : x
  2. Step 2: Convert to fraction form
    244,302.80/366,454.20 = 86,709.20/x
  3. Step 3: Cross multiply
    244,302.80x = 366,454.20 × 86,709.20
  4. Step 4: Simplify right side
    244,302.80x = 31,774,950,518.64
  5. Step 5: Solve for x
    x = 31,774,950,518.64/244,302.80
  6. Step 6: Final answer
    x = 130,063.80

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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.