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Finding the Fourth Proportional to 73,193.87, 109,261.01 and 64,336.52

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Solution

The fourth proportional to 73,193.87, 109,261.01 and 64,336.52 is: 96,039.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,193.87 : 109,261.01 = 64,336.52 : x
  2. Step 2: Convert to fraction form
    73,193.87/109,261.01 = 64,336.52/x
  3. Step 3: Cross multiply
    73,193.87x = 109,261.01 × 64,336.52
  4. Step 4: Simplify right side
    73,193.87x = 7,029,472,287.10
  5. Step 5: Solve for x
    x = 7,029,472,287.10/73,193.87
  6. Step 6: Final answer
    x = 96,039.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.