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Finding the Fourth Proportional to 68,768.01, 103,152.92 and 22,020.88

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Solution

The fourth proportional to 68,768.01, 103,152.92 and 22,020.88 is: 33,031.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,768.01 : 103,152.92 = 22,020.88 : x
  2. Step 2: Convert to fraction form
    68,768.01/103,152.92 = 22,020.88/x
  3. Step 3: Cross multiply
    68,768.01x = 103,152.92 × 22,020.88
  4. Step 4: Simplify right side
    68,768.01x = 2,271,518,072.97
  5. Step 5: Solve for x
    x = 2,271,518,072.97/68,768.01
  6. Step 6: Final answer
    x = 33,031.61

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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.