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Finding the Fourth Proportional to 81,897.29, 122,846.62 and 22,737.57

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Solution

The fourth proportional to 81,897.29, 122,846.62 and 22,737.57 is: 34,106.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,897.29 : 122,846.62 = 22,737.57 : x
  2. Step 2: Convert to fraction form
    81,897.29/122,846.62 = 22,737.57/x
  3. Step 3: Cross multiply
    81,897.29x = 122,846.62 × 22,737.57
  4. Step 4: Simplify right side
    81,897.29x = 2,793,233,928.63
  5. Step 5: Solve for x
    x = 2,793,233,928.63/81,897.29
  6. Step 6: Final answer
    x = 34,106.55

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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.