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Finding the Fourth Proportional to 114,121.12, 171,255.12 and 61,566.88

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Solution

The fourth proportional to 114,121.12, 171,255.12 and 61,566.88 is: 92,389.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,121.12 : 171,255.12 = 61,566.88 : x
  2. Step 2: Convert to fraction form
    114,121.12/171,255.12 = 61,566.88/x
  3. Step 3: Cross multiply
    114,121.12x = 171,255.12 × 61,566.88
  4. Step 4: Simplify right side
    114,121.12x = 10,543,643,422.43
  5. Step 5: Solve for x
    x = 10,543,643,422.43/114,121.12
  6. Step 6: Final answer
    x = 92,389.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.