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Finding the Fourth Proportional to 273,242.67, 409,891.33 and 83,700.84

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Solution

The fourth proportional to 273,242.67, 409,891.33 and 83,700.84 is: 125,559.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,242.67 : 409,891.33 = 83,700.84 : x
  2. Step 2: Convert to fraction form
    273,242.67/409,891.33 = 83,700.84/x
  3. Step 3: Cross multiply
    273,242.67x = 409,891.33 × 83,700.84
  4. Step 4: Simplify right side
    273,242.67x = 34,308,248,629.72
  5. Step 5: Solve for x
    x = 34,308,248,629.72/273,242.67
  6. Step 6: Final answer
    x = 125,559.63

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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.