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Finding the Fourth Proportional to 73,123.85, 109,686.11 and 22,522.28

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Solution

The fourth proportional to 73,123.85, 109,686.11 and 22,522.28 is: 33,783.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,123.85 : 109,686.11 = 22,522.28 : x
  2. Step 2: Convert to fraction form
    73,123.85/109,686.11 = 22,522.28/x
  3. Step 3: Cross multiply
    73,123.85x = 109,686.11 × 22,522.28
  4. Step 4: Simplify right side
    73,123.85x = 2,470,380,620.49
  5. Step 5: Solve for x
    x = 2,470,380,620.49/73,123.85
  6. Step 6: Final answer
    x = 33,783.52

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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.