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Finding the Fourth Proportional to 73,079.54, 109,622.37 and 23,158.54

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Solution

The fourth proportional to 73,079.54, 109,622.37 and 23,158.54 is: 34,738.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,079.54 : 109,622.37 = 23,158.54 : x
  2. Step 2: Convert to fraction form
    73,079.54/109,622.37 = 23,158.54/x
  3. Step 3: Cross multiply
    73,079.54x = 109,622.37 × 23,158.54
  4. Step 4: Simplify right side
    73,079.54x = 2,538,693,376.64
  5. Step 5: Solve for x
    x = 2,538,693,376.64/73,079.54
  6. Step 6: Final answer
    x = 34,738.77

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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.