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Finding the Fourth Proportional to 250,265.88, 345,363.48 and 137,089.44

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Solution

The fourth proportional to 250,265.88, 345,363.48 and 137,089.44 is: 189,181.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,265.88 : 345,363.48 = 137,089.44 : x
  2. Step 2: Convert to fraction form
    250,265.88/345,363.48 = 137,089.44/x
  3. Step 3: Cross multiply
    250,265.88x = 345,363.48 × 137,089.44
  4. Step 4: Simplify right side
    250,265.88x = 47,345,686,069.65
  5. Step 5: Solve for x
    x = 47,345,686,069.65/250,265.88
  6. Step 6: Final answer
    x = 189,181.55

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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.