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Finding the Fourth Proportional to 111,457.72, 167,304.66 and 108,952.12

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Solution

The fourth proportional to 111,457.72, 167,304.66 and 108,952.12 is: 163,543.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,457.72 : 167,304.66 = 108,952.12 : x
  2. Step 2: Convert to fraction form
    111,457.72/167,304.66 = 108,952.12/x
  3. Step 3: Cross multiply
    111,457.72x = 167,304.66 × 108,952.12
  4. Step 4: Simplify right side
    111,457.72x = 18,228,197,392.88
  5. Step 5: Solve for x
    x = 18,228,197,392.88/111,457.72
  6. Step 6: Final answer
    x = 163,543.61

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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.