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Finding the Fourth Proportional to 92,019.59, 138,029.42 and 28,844.63

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Solution

The fourth proportional to 92,019.59, 138,029.42 and 28,844.63 is: 43,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,019.59 : 138,029.42 = 28,844.63 : x
  2. Step 2: Convert to fraction form
    92,019.59/138,029.42 = 28,844.63/x
  3. Step 3: Cross multiply
    92,019.59x = 138,029.42 × 28,844.63
  4. Step 4: Simplify right side
    92,019.59x = 3,981,407,404.79
  5. Step 5: Solve for x
    x = 3,981,407,404.79/92,019.59
  6. Step 6: Final answer
    x = 43,266.95

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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.