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Finding the Fourth Proportional to 70,752.48, 106,105.44 and 37,453.92

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Solution

The fourth proportional to 70,752.48, 106,105.44 and 37,453.92 is: 56,168.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,752.48 : 106,105.44 = 37,453.92 : x
  2. Step 2: Convert to fraction form
    70,752.48/106,105.44 = 37,453.92/x
  3. Step 3: Cross multiply
    70,752.48x = 106,105.44 × 37,453.92
  4. Step 4: Simplify right side
    70,752.48x = 3,974,064,661.32
  5. Step 5: Solve for x
    x = 3,974,064,661.32/70,752.48
  6. Step 6: Final answer
    x = 56,168.56

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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.