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Finding the Fourth Proportional to 73,166.84, 100,968.18 and 42,951.68

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Solution

The fourth proportional to 73,166.84, 100,968.18 and 42,951.68 is: 59,272.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,166.84 : 100,968.18 = 42,951.68 : x
  2. Step 2: Convert to fraction form
    73,166.84/100,968.18 = 42,951.68/x
  3. Step 3: Cross multiply
    73,166.84x = 100,968.18 × 42,951.68
  4. Step 4: Simplify right side
    73,166.84x = 4,336,753,102.58
  5. Step 5: Solve for x
    x = 4,336,753,102.58/73,166.84
  6. Step 6: Final answer
    x = 59,272.11

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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.