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Finding the Fourth Proportional to 73,147.66, 109,735.18 and 23,240.32

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Solution

The fourth proportional to 73,147.66, 109,735.18 and 23,240.32 is: 34,864.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,147.66 : 109,735.18 = 23,240.32 : x
  2. Step 2: Convert to fraction form
    73,147.66/109,735.18 = 23,240.32/x
  3. Step 3: Cross multiply
    73,147.66x = 109,735.18 × 23,240.32
  4. Step 4: Simplify right side
    73,147.66x = 2,550,280,777.53
  5. Step 5: Solve for x
    x = 2,550,280,777.53/73,147.66
  6. Step 6: Final answer
    x = 34,864.83

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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.