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Finding the Fourth Proportional to 335,314.80, 502,972.20 and 110,709.90

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Solution

The fourth proportional to 335,314.80, 502,972.20 and 110,709.90 is: 166,064.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,314.80 : 502,972.20 = 110,709.90 : x
  2. Step 2: Convert to fraction form
    335,314.80/502,972.20 = 110,709.90/x
  3. Step 3: Cross multiply
    335,314.80x = 502,972.20 × 110,709.90
  4. Step 4: Simplify right side
    335,314.80x = 55,684,001,964.78
  5. Step 5: Solve for x
    x = 55,684,001,964.78/335,314.80
  6. Step 6: Final answer
    x = 166,064.85

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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.