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Finding the Fourth Proportional to 70,615.46, 105,923.04 and 44,338.66

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Solution

The fourth proportional to 70,615.46, 105,923.04 and 44,338.66 is: 66,507.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,615.46 : 105,923.04 = 44,338.66 : x
  2. Step 2: Convert to fraction form
    70,615.46/105,923.04 = 44,338.66/x
  3. Step 3: Cross multiply
    70,615.46x = 105,923.04 × 44,338.66
  4. Step 4: Simplify right side
    70,615.46x = 4,696,485,656.73
  5. Step 5: Solve for x
    x = 4,696,485,656.73/70,615.46
  6. Step 6: Final answer
    x = 66,507.90

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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.