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Finding the Fourth Proportional to 111,257.84, 166,904.88 and 36,356.24

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Solution

The fourth proportional to 111,257.84, 166,904.88 and 36,356.24 is: 54,540.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,257.84 : 166,904.88 = 36,356.24 : x
  2. Step 2: Convert to fraction form
    111,257.84/166,904.88 = 36,356.24/x
  3. Step 3: Cross multiply
    111,257.84x = 166,904.88 × 36,356.24
  4. Step 4: Simplify right side
    111,257.84x = 6,068,033,874.45
  5. Step 5: Solve for x
    x = 6,068,033,874.45/111,257.84
  6. Step 6: Final answer
    x = 54,540.28

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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.