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Finding the Fourth Proportional to 181,535.87, 250,522.72 and 100,963.43

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Solution

The fourth proportional to 181,535.87, 250,522.72 and 100,963.43 is: 139,331.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,535.87 : 250,522.72 = 100,963.43 : x
  2. Step 2: Convert to fraction form
    181,535.87/250,522.72 = 100,963.43/x
  3. Step 3: Cross multiply
    181,535.87x = 250,522.72 × 100,963.43
  4. Step 4: Simplify right side
    181,535.87x = 25,293,631,599.11
  5. Step 5: Solve for x
    x = 25,293,631,599.11/181,535.87
  6. Step 6: Final answer
    x = 139,331.31

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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.