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Finding the Fourth Proportional to 79,571.40, 119,357.10 and 37,425.28

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Solution

The fourth proportional to 79,571.40, 119,357.10 and 37,425.28 is: 56,137.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,571.40 : 119,357.10 = 37,425.28 : x
  2. Step 2: Convert to fraction form
    79,571.40/119,357.10 = 37,425.28/x
  3. Step 3: Cross multiply
    79,571.40x = 119,357.10 × 37,425.28
  4. Step 4: Simplify right side
    79,571.40x = 4,466,972,887.49
  5. Step 5: Solve for x
    x = 4,466,972,887.49/79,571.40
  6. Step 6: Final answer
    x = 56,137.92

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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.