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Finding the Fourth Proportional to 111,685.71, 167,549.32 and 36,811.12

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Solution

The fourth proportional to 111,685.71, 167,549.32 and 36,811.12 is: 55,223.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,685.71 : 167,549.32 = 36,811.12 : x
  2. Step 2: Convert to fraction form
    111,685.71/167,549.32 = 36,811.12/x
  3. Step 3: Cross multiply
    111,685.71x = 167,549.32 × 36,811.12
  4. Step 4: Simplify right side
    111,685.71x = 6,167,677,194.66
  5. Step 5: Solve for x
    x = 6,167,677,194.66/111,685.71
  6. Step 6: Final answer
    x = 55,223.51

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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.