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Finding the Fourth Proportional to 80,238.53, 110,728.42 and 46,234.53

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Solution

The fourth proportional to 80,238.53, 110,728.42 and 46,234.53 is: 63,803.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,238.53 : 110,728.42 = 46,234.53 : x
  2. Step 2: Convert to fraction form
    80,238.53/110,728.42 = 46,234.53/x
  3. Step 3: Cross multiply
    80,238.53x = 110,728.42 × 46,234.53
  4. Step 4: Simplify right side
    80,238.53x = 5,119,476,340.76
  5. Step 5: Solve for x
    x = 5,119,476,340.76/80,238.53
  6. Step 6: Final answer
    x = 63,803.22

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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.