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Finding the Fourth Proportional to 240,720.60, 360,983.70 and 82,867.80

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Solution

The fourth proportional to 240,720.60, 360,983.70 and 82,867.80 is: 124,268.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,720.60 : 360,983.70 = 82,867.80 : x
  2. Step 2: Convert to fraction form
    240,720.60/360,983.70 = 82,867.80/x
  3. Step 3: Cross multiply
    240,720.60x = 360,983.70 × 82,867.80
  4. Step 4: Simplify right side
    240,720.60x = 29,913,925,054.86
  5. Step 5: Solve for x
    x = 29,913,925,054.86/240,720.60
  6. Step 6: Final answer
    x = 124,268.24

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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.