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Finding the Fourth Proportional to 240,367.53, 360,297.05 and 90,543.02

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Solution

The fourth proportional to 240,367.53, 360,297.05 and 90,543.02 is: 135,718.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,367.53 : 360,297.05 = 90,543.02 : x
  2. Step 2: Convert to fraction form
    240,367.53/360,297.05 = 90,543.02/x
  3. Step 3: Cross multiply
    240,367.53x = 360,297.05 × 90,543.02
  4. Step 4: Simplify right side
    240,367.53x = 32,622,380,749.89
  5. Step 5: Solve for x
    x = 32,622,380,749.89/240,367.53
  6. Step 6: Final answer
    x = 135,718.75

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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.