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Finding the Fourth Proportional to 68,886.25, 103,233.15 and 37,228.07

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Solution

The fourth proportional to 68,886.25, 103,233.15 and 37,228.07 is: 55,790.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,886.25 : 103,233.15 = 37,228.07 : x
  2. Step 2: Convert to fraction form
    68,886.25/103,233.15 = 37,228.07/x
  3. Step 3: Cross multiply
    68,886.25x = 103,233.15 × 37,228.07
  4. Step 4: Simplify right side
    68,886.25x = 3,843,170,418.35
  5. Step 5: Solve for x
    x = 3,843,170,418.35/68,886.25
  6. Step 6: Final answer
    x = 55,790.09

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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.