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Finding the Fourth Proportional to 111,643.62, 167,475.95 and 36,733.20

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Solution

The fourth proportional to 111,643.62, 167,475.95 and 36,733.20 is: 55,103.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,643.62 : 167,475.95 = 36,733.20 : x
  2. Step 2: Convert to fraction form
    111,643.62/167,475.95 = 36,733.20/x
  3. Step 3: Cross multiply
    111,643.62x = 167,475.95 × 36,733.20
  4. Step 4: Simplify right side
    111,643.62x = 6,151,927,566.54
  5. Step 5: Solve for x
    x = 6,151,927,566.54/111,643.62
  6. Step 6: Final answer
    x = 55,103.26

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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.