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Finding the Fourth Proportional to 92,054.74, 138,083.82 and 28,873.46

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Solution

The fourth proportional to 92,054.74, 138,083.82 and 28,873.46 is: 43,310.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,054.74 : 138,083.82 = 28,873.46 : x
  2. Step 2: Convert to fraction form
    92,054.74/138,083.82 = 28,873.46/x
  3. Step 3: Cross multiply
    92,054.74x = 138,083.82 × 28,873.46
  4. Step 4: Simplify right side
    92,054.74x = 3,986,957,653.42
  5. Step 5: Solve for x
    x = 3,986,957,653.42/92,054.74
  6. Step 6: Final answer
    x = 43,310.73

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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.