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Finding the Fourth Proportional to 67,145.63, 100,696.94 and 22,156.91

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Solution

The fourth proportional to 67,145.63, 100,696.94 and 22,156.91 is: 33,228.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,145.63 : 100,696.94 = 22,156.91 : x
  2. Step 2: Convert to fraction form
    67,145.63/100,696.94 = 22,156.91/x
  3. Step 3: Cross multiply
    67,145.63x = 100,696.94 × 22,156.91
  4. Step 4: Simplify right side
    67,145.63x = 2,231,132,883.29
  5. Step 5: Solve for x
    x = 2,231,132,883.29/67,145.63
  6. Step 6: Final answer
    x = 33,228.27

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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.