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Finding the Fourth Proportional to 240,448.60, 360,377.52 and 135,046

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Solution

The fourth proportional to 240,448.60, 360,377.52 and 135,046 is: 202,403.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,448.60 : 360,377.52 = 135,046 : x
  2. Step 2: Convert to fraction form
    240,448.60/360,377.52 = 135,046/x
  3. Step 3: Cross multiply
    240,448.60x = 360,377.52 × 135,046
  4. Step 4: Simplify right side
    240,448.60x = 48,667,542,565.92
  5. Step 5: Solve for x
    x = 48,667,542,565.92/240,448.60
  6. Step 6: Final answer
    x = 202,403.10

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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.