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Finding the Fourth Proportional to 254,888.67, 381,807.99 and 149,453.40

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Solution

The fourth proportional to 254,888.67, 381,807.99 and 149,453.40 is: 223,872.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,888.67 : 381,807.99 = 149,453.40 : x
  2. Step 2: Convert to fraction form
    254,888.67/381,807.99 = 149,453.40/x
  3. Step 3: Cross multiply
    254,888.67x = 381,807.99 × 149,453.40
  4. Step 4: Simplify right side
    254,888.67x = 57,062,502,252.67
  5. Step 5: Solve for x
    x = 57,062,502,252.67/254,888.67
  6. Step 6: Final answer
    x = 223,872.26

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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.