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Finding the Fourth Proportional to 111,445.35, 167,162.13 and 36,555.63

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Solution

The fourth proportional to 111,445.35, 167,162.13 and 36,555.63 is: 54,831.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,445.35 : 167,162.13 = 36,555.63 : x
  2. Step 2: Convert to fraction form
    111,445.35/167,162.13 = 36,555.63/x
  3. Step 3: Cross multiply
    111,445.35x = 167,162.13 × 36,555.63
  4. Step 4: Simplify right side
    111,445.35x = 6,110,716,974.29
  5. Step 5: Solve for x
    x = 6,110,716,974.29/111,445.35
  6. Step 6: Final answer
    x = 54,831.51

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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.