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Finding the Fourth Proportional to 70,953.57, 106,477.13 and 37,697.81

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Solution

The fourth proportional to 70,953.57, 106,477.13 and 37,697.81 is: 56,571.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,953.57 : 106,477.13 = 37,697.81 : x
  2. Step 2: Convert to fraction form
    70,953.57/106,477.13 = 37,697.81/x
  3. Step 3: Cross multiply
    70,953.57x = 106,477.13 × 37,697.81
  4. Step 4: Simplify right side
    70,953.57x = 4,013,954,177.94
  5. Step 5: Solve for x
    x = 4,013,954,177.94/70,953.57
  6. Step 6: Final answer
    x = 56,571.56

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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.