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Finding the Fourth Proportional to 73,321.16, 101,182.83 and 39,787.16

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Solution

The fourth proportional to 73,321.16, 101,182.83 and 39,787.16 is: 54,906.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,321.16 : 101,182.83 = 39,787.16 : x
  2. Step 2: Convert to fraction form
    73,321.16/101,182.83 = 39,787.16/x
  3. Step 3: Cross multiply
    73,321.16x = 101,182.83 × 39,787.16
  4. Step 4: Simplify right side
    73,321.16x = 4,025,776,940.55
  5. Step 5: Solve for x
    x = 4,025,776,940.55/73,321.16
  6. Step 6: Final answer
    x = 54,906.08

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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.