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Finding the Fourth Proportional to 111,258.72, 166,925.34 and 36,382.32

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Solution

The fourth proportional to 111,258.72, 166,925.34 and 36,382.32 is: 54,585.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,258.72 : 166,925.34 = 36,382.32 : x
  2. Step 2: Convert to fraction form
    111,258.72/166,925.34 = 36,382.32/x
  3. Step 3: Cross multiply
    111,258.72x = 166,925.34 × 36,382.32
  4. Step 4: Simplify right side
    111,258.72x = 6,073,131,135.99
  5. Step 5: Solve for x
    x = 6,073,131,135.99/111,258.72
  6. Step 6: Final answer
    x = 54,585.66

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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.