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Finding the Fourth Proportional to 96,215.99, 143,619.41 and 84,853.42

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Solution

The fourth proportional to 96,215.99, 143,619.41 and 84,853.42 is: 126,658.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,215.99 : 143,619.41 = 84,853.42 : x
  2. Step 2: Convert to fraction form
    96,215.99/143,619.41 = 84,853.42/x
  3. Step 3: Cross multiply
    96,215.99x = 143,619.41 × 84,853.42
  4. Step 4: Simplify right side
    96,215.99x = 12,186,598,777.83
  5. Step 5: Solve for x
    x = 12,186,598,777.83/96,215.99
  6. Step 6: Final answer
    x = 126,658.77

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1.5x scale

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.