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Finding the Fourth Proportional to 70,681.74, 106,035.60 and 23,299.62

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Solution

The fourth proportional to 70,681.74, 106,035.60 and 23,299.62 is: 34,953.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,681.74 : 106,035.60 = 23,299.62 : x
  2. Step 2: Convert to fraction form
    70,681.74/106,035.60 = 23,299.62/x
  3. Step 3: Cross multiply
    70,681.74x = 106,035.60 × 23,299.62
  4. Step 4: Simplify right side
    70,681.74x = 2,470,589,186.47
  5. Step 5: Solve for x
    x = 2,470,589,186.47/70,681.74
  6. Step 6: Final answer
    x = 34,953.71

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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.