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Finding the Fourth Proportional to 240,544.60, 360,849.30 and 82,821.40

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Solution

The fourth proportional to 240,544.60, 360,849.30 and 82,821.40 is: 124,243.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,544.60 : 360,849.30 = 82,821.40 : x
  2. Step 2: Convert to fraction form
    240,544.60/360,849.30 = 82,821.40/x
  3. Step 3: Cross multiply
    240,544.60x = 360,849.30 × 82,821.40
  4. Step 4: Simplify right side
    240,544.60x = 29,886,044,215.02
  5. Step 5: Solve for x
    x = 29,886,044,215.02/240,544.60
  6. Step 6: Final answer
    x = 124,243.26

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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.