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Finding the Fourth Proportional to 240,795.55, 332,297.02 and 138,820.52

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Solution

The fourth proportional to 240,795.55, 332,297.02 and 138,820.52 is: 191,571.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,795.55 : 332,297.02 = 138,820.52 : x
  2. Step 2: Convert to fraction form
    240,795.55/332,297.02 = 138,820.52/x
  3. Step 3: Cross multiply
    240,795.55x = 332,297.02 × 138,820.52
  4. Step 4: Simplify right side
    240,795.55x = 46,129,643,465.08
  5. Step 5: Solve for x
    x = 46,129,643,465.08/240,795.55
  6. Step 6: Final answer
    x = 191,571.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.