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Finding the Fourth Proportional to 111,159.66, 166,755.53 and 36,261.28

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Solution

The fourth proportional to 111,159.66, 166,755.53 and 36,261.28 is: 54,397.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,159.66 : 166,755.53 = 36,261.28 : x
  2. Step 2: Convert to fraction form
    111,159.66/166,755.53 = 36,261.28/x
  3. Step 3: Cross multiply
    111,159.66x = 166,755.53 × 36,261.28
  4. Step 4: Simplify right side
    111,159.66x = 6,046,768,964.88
  5. Step 5: Solve for x
    x = 6,046,768,964.88/111,159.66
  6. Step 6: Final answer
    x = 54,397.15

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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.