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Finding the Fourth Proportional to 73,102.82, 109,697.97 and 67,154.18

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Solution

The fourth proportional to 73,102.82, 109,697.97 and 67,154.18 is: 100,771.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,102.82 : 109,697.97 = 67,154.18 : x
  2. Step 2: Convert to fraction form
    73,102.82/109,697.97 = 67,154.18/x
  3. Step 3: Cross multiply
    73,102.82x = 109,697.97 × 67,154.18
  4. Step 4: Simplify right side
    73,102.82x = 7,366,677,223.01
  5. Step 5: Solve for x
    x = 7,366,677,223.01/73,102.82
  6. Step 6: Final answer
    x = 100,771.45

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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.