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Finding the Fourth Proportional to 84,058.71, 126,063.46 and 69,230.85

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Solution

The fourth proportional to 84,058.71, 126,063.46 and 69,230.85 is: 103,826.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,058.71 : 126,063.46 = 69,230.85 : x
  2. Step 2: Convert to fraction form
    84,058.71/126,063.46 = 69,230.85/x
  3. Step 3: Cross multiply
    84,058.71x = 126,063.46 × 69,230.85
  4. Step 4: Simplify right side
    84,058.71x = 8,727,481,007.36
  5. Step 5: Solve for x
    x = 8,727,481,007.36/84,058.71
  6. Step 6: Final answer
    x = 103,826.01

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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.