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Finding the Fourth Proportional to 240,436.68, 360,687.84 and 100,162.50

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Solution

The fourth proportional to 240,436.68, 360,687.84 and 100,162.50 is: 150,257.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,436.68 : 360,687.84 = 100,162.50 : x
  2. Step 2: Convert to fraction form
    240,436.68/360,687.84 = 100,162.50/x
  3. Step 3: Cross multiply
    240,436.68x = 360,687.84 × 100,162.50
  4. Step 4: Simplify right side
    240,436.68x = 36,127,395,774
  5. Step 5: Solve for x
    x = 36,127,395,774/240,436.68
  6. Step 6: Final answer
    x = 150,257.42

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1.5x scale

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.