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Finding the Fourth Proportional to 240,470.64, 360,360.90 and 135,067.77

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Solution

The fourth proportional to 240,470.64, 360,360.90 and 135,067.77 is: 202,407.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,470.64 : 360,360.90 = 135,067.77 : x
  2. Step 2: Convert to fraction form
    240,470.64/360,360.90 = 135,067.77/x
  3. Step 3: Cross multiply
    240,470.64x = 360,360.90 × 135,067.77
  4. Step 4: Simplify right side
    240,470.64x = 48,673,143,158.19
  5. Step 5: Solve for x
    x = 48,673,143,158.19/240,470.64
  6. Step 6: Final answer
    x = 202,407.84

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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.