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Finding the Fourth Proportional to 67,969.99, 93,844.02 and 42,512.41

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Solution

The fourth proportional to 67,969.99, 93,844.02 and 42,512.41 is: 58,695.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,969.99 : 93,844.02 = 42,512.41 : x
  2. Step 2: Convert to fraction form
    67,969.99/93,844.02 = 42,512.41/x
  3. Step 3: Cross multiply
    67,969.99x = 93,844.02 × 42,512.41
  4. Step 4: Simplify right side
    67,969.99x = 3,989,535,454.29
  5. Step 5: Solve for x
    x = 3,989,535,454.29/67,969.99
  6. Step 6: Final answer
    x = 58,695.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.