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Finding the Fourth Proportional to 100,874.85, 151,480.97 and 63,012.24

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Solution

The fourth proportional to 100,874.85, 151,480.97 and 63,012.24 is: 94,623.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,874.85 : 151,480.97 = 63,012.24 : x
  2. Step 2: Convert to fraction form
    100,874.85/151,480.97 = 63,012.24/x
  3. Step 3: Cross multiply
    100,874.85x = 151,480.97 × 63,012.24
  4. Step 4: Simplify right side
    100,874.85x = 9,545,154,922.01
  5. Step 5: Solve for x
    x = 9,545,154,922.01/100,874.85
  6. Step 6: Final answer
    x = 94,623.73

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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.