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Finding the Fourth Proportional to 111,528.80, 167,290.46 and 27,288.29

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Solution

The fourth proportional to 111,528.80, 167,290.46 and 27,288.29 is: 40,931.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,528.80 : 167,290.46 = 27,288.29 : x
  2. Step 2: Convert to fraction form
    111,528.80/167,290.46 = 27,288.29/x
  3. Step 3: Cross multiply
    111,528.80x = 167,290.46 × 27,288.29
  4. Step 4: Simplify right side
    111,528.80x = 4,565,071,124.33
  5. Step 5: Solve for x
    x = 4,565,071,124.33/111,528.80
  6. Step 6: Final answer
    x = 40,931.77

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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.