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Finding the Fourth Proportional to 111,591.13, 167,368.21 and 36,712.21

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Solution

The fourth proportional to 111,591.13, 167,368.21 and 36,712.21 is: 55,062.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,591.13 : 167,368.21 = 36,712.21 : x
  2. Step 2: Convert to fraction form
    111,591.13/167,368.21 = 36,712.21/x
  3. Step 3: Cross multiply
    111,591.13x = 167,368.21 × 36,712.21
  4. Step 4: Simplify right side
    111,591.13x = 6,144,456,872.84
  5. Step 5: Solve for x
    x = 6,144,456,872.84/111,591.13
  6. Step 6: Final answer
    x = 55,062.23

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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.