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Finding the Fourth Proportional to 251,050.88, 346,449.78 and 137,873.63

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Solution

The fourth proportional to 251,050.88, 346,449.78 and 137,873.63 is: 190,265.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,050.88 : 346,449.78 = 137,873.63 : x
  2. Step 2: Convert to fraction form
    251,050.88/346,449.78 = 137,873.63/x
  3. Step 3: Cross multiply
    251,050.88x = 346,449.78 × 137,873.63
  4. Step 4: Simplify right side
    251,050.88x = 47,766,287,049.05
  5. Step 5: Solve for x
    x = 47,766,287,049.05/251,050.88
  6. Step 6: Final answer
    x = 190,265.37

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1.5x scale

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.