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Finding the Fourth Proportional to 82,754.04, 114,198.32 and 45,027.48

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Solution

The fourth proportional to 82,754.04, 114,198.32 and 45,027.48 is: 62,136.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,754.04 : 114,198.32 = 45,027.48 : x
  2. Step 2: Convert to fraction form
    82,754.04/114,198.32 = 45,027.48/x
  3. Step 3: Cross multiply
    82,754.04x = 114,198.32 × 45,027.48
  4. Step 4: Simplify right side
    82,754.04x = 5,142,062,569.83
  5. Step 5: Solve for x
    x = 5,142,062,569.83/82,754.04
  6. Step 6: Final answer
    x = 62,136.70

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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.