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Finding the Fourth Proportional to 79,313, 118,963.94 and 37,202.32

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Solution

The fourth proportional to 79,313, 118,963.94 and 37,202.32 is: 55,800.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,313 : 118,963.94 = 37,202.32 : x
  2. Step 2: Convert to fraction form
    79,313/118,963.94 = 37,202.32/x
  3. Step 3: Cross multiply
    79,313x = 118,963.94 × 37,202.32
  4. Step 4: Simplify right side
    79,313x = 4,425,734,564.34
  5. Step 5: Solve for x
    x = 4,425,734,564.34/79,313
  6. Step 6: Final answer
    x = 55,800.87

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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.