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Finding the Fourth Proportional to 251,339.50, 377,069.40 and 73,842.58

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Solution

The fourth proportional to 251,339.50, 377,069.40 and 73,842.58 is: 110,781.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,339.50 : 377,069.40 = 73,842.58 : x
  2. Step 2: Convert to fraction form
    251,339.50/377,069.40 = 73,842.58/x
  3. Step 3: Cross multiply
    251,339.50x = 377,069.40 × 73,842.58
  4. Step 4: Simplify right side
    251,339.50x = 27,843,777,335.05
  5. Step 5: Solve for x
    x = 27,843,777,335.05/251,339.50
  6. Step 6: Final answer
    x = 110,781.54

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1.5x scale

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.