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Finding the Fourth Proportional to 240,525.10, 360,820.05 and 82,801.90

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Solution

The fourth proportional to 240,525.10, 360,820.05 and 82,801.90 is: 124,214.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,525.10 : 360,820.05 = 82,801.90 : x
  2. Step 2: Convert to fraction form
    240,525.10/360,820.05 = 82,801.90/x
  3. Step 3: Cross multiply
    240,525.10x = 360,820.05 × 82,801.90
  4. Step 4: Simplify right side
    240,525.10x = 29,876,585,698.10
  5. Step 5: Solve for x
    x = 29,876,585,698.10/240,525.10
  6. Step 6: Final answer
    x = 124,214.00

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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.