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Finding the Fourth Proportional to 114,375.33, 157,844.25 and 63,387

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Solution

The fourth proportional to 114,375.33, 157,844.25 and 63,387 is: 87,477.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,375.33 : 157,844.25 = 63,387 : x
  2. Step 2: Convert to fraction form
    114,375.33/157,844.25 = 63,387/x
  3. Step 3: Cross multiply
    114,375.33x = 157,844.25 × 63,387
  4. Step 4: Simplify right side
    114,375.33x = 10,005,273,474.75
  5. Step 5: Solve for x
    x = 10,005,273,474.75/114,375.33
  6. Step 6: Final answer
    x = 87,477.55

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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.