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Finding the Fourth Proportional to 111,060, 166,577.76 and 27,954

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Solution

The fourth proportional to 111,060, 166,577.76 and 27,954 is: 41,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,060 : 166,577.76 = 27,954 : x
  2. Step 2: Convert to fraction form
    111,060/166,577.76 = 27,954/x
  3. Step 3: Cross multiply
    111,060x = 166,577.76 × 27,954
  4. Step 4: Simplify right side
    111,060x = 4,656,514,703.04
  5. Step 5: Solve for x
    x = 4,656,514,703.04/111,060
  6. Step 6: Final answer
    x = 41,927.92

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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.