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Finding the Fourth Proportional to 69,371.88, 104,053.52 and 42,722.94

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Solution

The fourth proportional to 69,371.88, 104,053.52 and 42,722.94 is: 64,081.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,371.88 : 104,053.52 = 42,722.94 : x
  2. Step 2: Convert to fraction form
    69,371.88/104,053.52 = 42,722.94/x
  3. Step 3: Cross multiply
    69,371.88x = 104,053.52 × 42,722.94
  4. Step 4: Simplify right side
    69,371.88x = 4,445,472,291.75
  5. Step 5: Solve for x
    x = 4,445,472,291.75/69,371.88
  6. Step 6: Final answer
    x = 64,081.76

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1.5x scale

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.