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Finding the Fourth Proportional to 67,076.34, 100,185.92 and 60,742.14

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Solution

The fourth proportional to 67,076.34, 100,185.92 and 60,742.14 is: 90,725.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,076.34 : 100,185.92 = 60,742.14 : x
  2. Step 2: Convert to fraction form
    67,076.34/100,185.92 = 60,742.14/x
  3. Step 3: Cross multiply
    67,076.34x = 100,185.92 × 60,742.14
  4. Step 4: Simplify right side
    67,076.34x = 6,085,506,874.96
  5. Step 5: Solve for x
    x = 6,085,506,874.96/67,076.34
  6. Step 6: Final answer
    x = 90,725.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.