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Finding the Fourth Proportional to 240,582.66, 360,870.21 and 82,812.48

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Solution

The fourth proportional to 240,582.66, 360,870.21 and 82,812.48 is: 124,217.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,582.66 : 360,870.21 = 82,812.48 : x
  2. Step 2: Convert to fraction form
    240,582.66/360,870.21 = 82,812.48/x
  3. Step 3: Cross multiply
    240,582.66x = 360,870.21 × 82,812.48
  4. Step 4: Simplify right side
    240,582.66x = 29,884,557,048.22
  5. Step 5: Solve for x
    x = 29,884,557,048.22/240,582.66
  6. Step 6: Final answer
    x = 124,217.42

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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.