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Finding the Fourth Proportional to 70,569.92, 105,803.04 and 33,659.84

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Solution

The fourth proportional to 70,569.92, 105,803.04 and 33,659.84 is: 50,465.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,569.92 : 105,803.04 = 33,659.84 : x
  2. Step 2: Convert to fraction form
    70,569.92/105,803.04 = 33,659.84/x
  3. Step 3: Cross multiply
    70,569.92x = 105,803.04 × 33,659.84
  4. Step 4: Simplify right side
    70,569.92x = 3,561,313,397.91
  5. Step 5: Solve for x
    x = 3,561,313,397.91/70,569.92
  6. Step 6: Final answer
    x = 50,465.03

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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.