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Finding the Fourth Proportional to 70,685.28, 97,579.08 and 44,856.81

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Solution

The fourth proportional to 70,685.28, 97,579.08 and 44,856.81 is: 61,923.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,685.28 : 97,579.08 = 44,856.81 : x
  2. Step 2: Convert to fraction form
    70,685.28/97,579.08 = 44,856.81/x
  3. Step 3: Cross multiply
    70,685.28x = 97,579.08 × 44,856.81
  4. Step 4: Simplify right side
    70,685.28x = 4,377,086,251.53
  5. Step 5: Solve for x
    x = 4,377,086,251.53/70,685.28
  6. Step 6: Final answer
    x = 61,923.59

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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.