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Finding the Fourth Proportional to 111,305.61, 166,956.08 and 27,066.22

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Solution

The fourth proportional to 111,305.61, 166,956.08 and 27,066.22 is: 40,598.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,305.61 : 166,956.08 = 27,066.22 : x
  2. Step 2: Convert to fraction form
    111,305.61/166,956.08 = 27,066.22/x
  3. Step 3: Cross multiply
    111,305.61x = 166,956.08 × 27,066.22
  4. Step 4: Simplify right side
    111,305.61x = 4,518,869,438.90
  5. Step 5: Solve for x
    x = 4,518,869,438.90/111,305.61
  6. Step 6: Final answer
    x = 40,598.76

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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.