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Finding the Fourth Proportional to 240,437.93, 360,689.72 and 100,163.75

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Solution

The fourth proportional to 240,437.93, 360,689.72 and 100,163.75 is: 150,259.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,437.93 : 360,689.72 = 100,163.75 : x
  2. Step 2: Convert to fraction form
    240,437.93/360,689.72 = 100,163.75/x
  3. Step 3: Cross multiply
    240,437.93x = 360,689.72 × 100,163.75
  4. Step 4: Simplify right side
    240,437.93x = 36,128,034,941.65
  5. Step 5: Solve for x
    x = 36,128,034,941.65/240,437.93
  6. Step 6: Final answer
    x = 150,259.30

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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.