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Finding the Fourth Proportional to 442,134.80, 663,202.20 and 109,710.80

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Solution

The fourth proportional to 442,134.80, 663,202.20 and 109,710.80 is: 164,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,134.80 : 663,202.20 = 109,710.80 : x
  2. Step 2: Convert to fraction form
    442,134.80/663,202.20 = 109,710.80/x
  3. Step 3: Cross multiply
    442,134.80x = 663,202.20 × 109,710.80
  4. Step 4: Simplify right side
    442,134.80x = 72,760,443,923.76
  5. Step 5: Solve for x
    x = 72,760,443,923.76/442,134.80
  6. Step 6: Final answer
    x = 164,566.20

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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.