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Finding the Fourth Proportional to 111,613.91, 167,445.11 and 36,741.66

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Solution

The fourth proportional to 111,613.91, 167,445.11 and 36,741.66 is: 55,120.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,613.91 : 167,445.11 = 36,741.66 : x
  2. Step 2: Convert to fraction form
    111,613.91/167,445.11 = 36,741.66/x
  3. Step 3: Cross multiply
    111,613.91x = 167,445.11 × 36,741.66
  4. Step 4: Simplify right side
    111,613.91x = 6,152,211,300.28
  5. Step 5: Solve for x
    x = 6,152,211,300.28/111,613.91
  6. Step 6: Final answer
    x = 55,120.47

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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.