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Finding the Fourth Proportional to 70,526.92, 105,738.54 and 33,616.84

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Solution

The fourth proportional to 70,526.92, 105,738.54 and 33,616.84 is: 50,400.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,526.92 : 105,738.54 = 33,616.84 : x
  2. Step 2: Convert to fraction form
    70,526.92/105,738.54 = 33,616.84/x
  3. Step 3: Cross multiply
    70,526.92x = 105,738.54 × 33,616.84
  4. Step 4: Simplify right side
    70,526.92x = 3,554,595,581.01
  5. Step 5: Solve for x
    x = 3,554,595,581.01/70,526.92
  6. Step 6: Final answer
    x = 50,400.55

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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.