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Finding the Fourth Proportional to 335,870.40, 503,368.20 and 136,027.20

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Solution

The fourth proportional to 335,870.40, 503,368.20 and 136,027.20 is: 203,863.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,870.40 : 503,368.20 = 136,027.20 : x
  2. Step 2: Convert to fraction form
    335,870.40/503,368.20 = 136,027.20/x
  3. Step 3: Cross multiply
    335,870.40x = 503,368.20 × 136,027.20
  4. Step 4: Simplify right side
    335,870.40x = 68,471,766,815.04
  5. Step 5: Solve for x
    x = 68,471,766,815.04/335,870.40
  6. Step 6: Final answer
    x = 203,863.65

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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.