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Finding the Fourth Proportional to 96,882.81, 133,710.81 and 54,441.35

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Solution

The fourth proportional to 96,882.81, 133,710.81 and 54,441.35 is: 75,136.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,882.81 : 133,710.81 = 54,441.35 : x
  2. Step 2: Convert to fraction form
    96,882.81/133,710.81 = 54,441.35/x
  3. Step 3: Cross multiply
    96,882.81x = 133,710.81 × 54,441.35
  4. Step 4: Simplify right side
    96,882.81x = 7,279,397,005.99
  5. Step 5: Solve for x
    x = 7,279,397,005.99/96,882.81
  6. Step 6: Final answer
    x = 75,136.11

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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.