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Finding the Fourth Proportional to 146,658.38, 202,388.58 and 79,590.38

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Solution

The fourth proportional to 146,658.38, 202,388.58 and 79,590.38 is: 109,834.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,658.38 : 202,388.58 = 79,590.38 : x
  2. Step 2: Convert to fraction form
    146,658.38/202,388.58 = 79,590.38/x
  3. Step 3: Cross multiply
    146,658.38x = 202,388.58 × 79,590.38
  4. Step 4: Simplify right side
    146,658.38x = 16,108,182,977.92
  5. Step 5: Solve for x
    x = 16,108,182,977.92/146,658.38
  6. Step 6: Final answer
    x = 109,834.73

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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.