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Finding the Fourth Proportional to 89,602.86, 134,424.33 and 27,278.22

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Solution

The fourth proportional to 89,602.86, 134,424.33 and 27,278.22 is: 40,923.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,602.86 : 134,424.33 = 27,278.22 : x
  2. Step 2: Convert to fraction form
    89,602.86/134,424.33 = 27,278.22/x
  3. Step 3: Cross multiply
    89,602.86x = 134,424.33 × 27,278.22
  4. Step 4: Simplify right side
    89,602.86x = 3,666,856,447.09
  5. Step 5: Solve for x
    x = 3,666,856,447.09/89,602.86
  6. Step 6: Final answer
    x = 40,923.43

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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.