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Finding the Fourth Proportional to 90,226.96, 124,504.62 and 61,096

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Solution

The fourth proportional to 90,226.96, 124,504.62 and 61,096 is: 84,306.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,226.96 : 124,504.62 = 61,096 : x
  2. Step 2: Convert to fraction form
    90,226.96/124,504.62 = 61,096/x
  3. Step 3: Cross multiply
    90,226.96x = 124,504.62 × 61,096
  4. Step 4: Simplify right side
    90,226.96x = 7,606,734,263.52
  5. Step 5: Solve for x
    x = 7,606,734,263.52/90,226.96
  6. Step 6: Final answer
    x = 84,306.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.