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Finding the Fourth Proportional to 77,324.71, 106,451.24 and 69,353.10

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Solution

The fourth proportional to 77,324.71, 106,451.24 and 69,353.10 is: 95,476.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,324.71 : 106,451.24 = 69,353.10 : x
  2. Step 2: Convert to fraction form
    77,324.71/106,451.24 = 69,353.10/x
  3. Step 3: Cross multiply
    77,324.71x = 106,451.24 × 69,353.10
  4. Step 4: Simplify right side
    77,324.71x = 7,382,723,053.33
  5. Step 5: Solve for x
    x = 7,382,723,053.33/77,324.71
  6. Step 6: Final answer
    x = 95,476.89

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1.5x scale

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.