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Finding the Fourth Proportional to 71,359.87, 98,606.53 and 67,901.00

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Solution

The fourth proportional to 71,359.87, 98,606.53 and 67,901.00 is: 93,826.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,359.87 : 98,606.53 = 67,901.00 : x
  2. Step 2: Convert to fraction form
    71,359.87/98,606.53 = 67,901.00/x
  3. Step 3: Cross multiply
    71,359.87x = 98,606.53 × 67,901.00
  4. Step 4: Simplify right side
    71,359.87x = 6,695,481,867.27
  5. Step 5: Solve for x
    x = 6,695,481,867.27/71,359.87
  6. Step 6: Final answer
    x = 93,826.99

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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.