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Finding the Fourth Proportional to 68,886.48, 103,233.49 and 37,228.29

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Solution

The fourth proportional to 68,886.48, 103,233.49 and 37,228.29 is: 55,790.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,886.48 : 103,233.49 = 37,228.29 : x
  2. Step 2: Convert to fraction form
    68,886.48/103,233.49 = 37,228.29/x
  3. Step 3: Cross multiply
    68,886.48x = 103,233.49 × 37,228.29
  4. Step 4: Simplify right side
    68,886.48x = 3,843,206,117.29
  5. Step 5: Solve for x
    x = 3,843,206,117.29/68,886.48
  6. Step 6: Final answer
    x = 55,790.43

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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.