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Finding the Fourth Proportional to 111,443.34, 167,159.14 and 36,553.63

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Solution

The fourth proportional to 111,443.34, 167,159.14 and 36,553.63 is: 54,828.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,443.34 : 167,159.14 = 36,553.63 : x
  2. Step 2: Convert to fraction form
    111,443.34/167,159.14 = 36,553.63/x
  3. Step 3: Cross multiply
    111,443.34x = 167,159.14 × 36,553.63
  4. Step 4: Simplify right side
    111,443.34x = 6,110,272,336.11
  5. Step 5: Solve for x
    x = 6,110,272,336.11/111,443.34
  6. Step 6: Final answer
    x = 54,828.51

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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.