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Finding the Fourth Proportional to 240,323.95, 360,510.36 and 82,531.90

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Solution

The fourth proportional to 240,323.95, 360,510.36 and 82,531.90 is: 123,806.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,323.95 : 360,510.36 = 82,531.90 : x
  2. Step 2: Convert to fraction form
    240,323.95/360,510.36 = 82,531.90/x
  3. Step 3: Cross multiply
    240,323.95x = 360,510.36 × 82,531.90
  4. Step 4: Simplify right side
    240,323.95x = 29,753,604,980.48
  5. Step 5: Solve for x
    x = 29,753,604,980.48/240,323.95
  6. Step 6: Final answer
    x = 123,806.24

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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.