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Finding the Fourth Proportional to 96,658.40, 144,910.80 and 52,882.40

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Solution

The fourth proportional to 96,658.40, 144,910.80 and 52,882.40 is: 79,281.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,658.40 : 144,910.80 = 52,882.40 : x
  2. Step 2: Convert to fraction form
    96,658.40/144,910.80 = 52,882.40/x
  3. Step 3: Cross multiply
    96,658.40x = 144,910.80 × 52,882.40
  4. Step 4: Simplify right side
    96,658.40x = 7,663,230,889.92
  5. Step 5: Solve for x
    x = 7,663,230,889.92/96,658.40
  6. Step 6: Final answer
    x = 79,281.58

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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.