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Finding the Fourth Proportional to 225,484.02, 338,277.87 and 67,715.46

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Solution

The fourth proportional to 225,484.02, 338,277.87 and 67,715.46 is: 101,588.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,484.02 : 338,277.87 = 67,715.46 : x
  2. Step 2: Convert to fraction form
    225,484.02/338,277.87 = 67,715.46/x
  3. Step 3: Cross multiply
    225,484.02x = 338,277.87 × 67,715.46
  4. Step 4: Simplify right side
    225,484.02x = 22,906,641,574.87
  5. Step 5: Solve for x
    x = 22,906,641,574.87/225,484.02
  6. Step 6: Final answer
    x = 101,588.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.