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Finding the Fourth Proportional to 73,894.22, 101,973.39 and 40,359.50

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Solution

The fourth proportional to 73,894.22, 101,973.39 and 40,359.50 is: 55,695.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,894.22 : 101,973.39 = 40,359.50 : x
  2. Step 2: Convert to fraction form
    73,894.22/101,973.39 = 40,359.50/x
  3. Step 3: Cross multiply
    73,894.22x = 101,973.39 × 40,359.50
  4. Step 4: Simplify right side
    73,894.22x = 4,115,595,033.71
  5. Step 5: Solve for x
    x = 4,115,595,033.71/73,894.22
  6. Step 6: Final answer
    x = 55,695.76

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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.