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Finding the Fourth Proportional to 73,378.72, 101,224.02 and 46,473.76

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Solution

The fourth proportional to 73,378.72, 101,224.02 and 46,473.76 is: 64,109.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,378.72 : 101,224.02 = 46,473.76 : x
  2. Step 2: Convert to fraction form
    73,378.72/101,224.02 = 46,473.76/x
  3. Step 3: Cross multiply
    73,378.72x = 101,224.02 × 46,473.76
  4. Step 4: Simplify right side
    73,378.72x = 4,704,260,811.72
  5. Step 5: Solve for x
    x = 4,704,260,811.72/73,378.72
  6. Step 6: Final answer
    x = 64,109.33

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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.