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Finding the Fourth Proportional to 96,668.40, 144,916.20 and 63,404.40

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Solution

The fourth proportional to 96,668.40, 144,916.20 and 63,404.40 is: 95,049.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,668.40 : 144,916.20 = 63,404.40 : x
  2. Step 2: Convert to fraction form
    96,668.40/144,916.20 = 63,404.40/x
  3. Step 3: Cross multiply
    96,668.40x = 144,916.20 × 63,404.40
  4. Step 4: Simplify right side
    96,668.40x = 9,188,324,711.28
  5. Step 5: Solve for x
    x = 9,188,324,711.28/96,668.40
  6. Step 6: Final answer
    x = 95,049.93

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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.