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Finding the Fourth Proportional to 70,639.41, 105,974.71 and 23,252.59

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Solution

The fourth proportional to 70,639.41, 105,974.71 and 23,252.59 is: 34,884.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,639.41 : 105,974.71 = 23,252.59 : x
  2. Step 2: Convert to fraction form
    70,639.41/105,974.71 = 23,252.59/x
  3. Step 3: Cross multiply
    70,639.41x = 105,974.71 × 23,252.59
  4. Step 4: Simplify right side
    70,639.41x = 2,464,186,091.02
  5. Step 5: Solve for x
    x = 2,464,186,091.02/70,639.41
  6. Step 6: Final answer
    x = 34,884.01

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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.