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Finding the Fourth Proportional to 73,165.32, 109,736.64 and 23,238.90

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Solution

The fourth proportional to 73,165.32, 109,736.64 and 23,238.90 is: 34,854.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,165.32 : 109,736.64 = 23,238.90 : x
  2. Step 2: Convert to fraction form
    73,165.32/109,736.64 = 23,238.90/x
  3. Step 3: Cross multiply
    73,165.32x = 109,736.64 × 23,238.90
  4. Step 4: Simplify right side
    73,165.32x = 2,550,158,803.30
  5. Step 5: Solve for x
    x = 2,550,158,803.30/73,165.32
  6. Step 6: Final answer
    x = 34,854.75

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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.