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Finding the Fourth Proportional to 111,166.22, 166,699.02 and 47,956.52

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Solution

The fourth proportional to 111,166.22, 166,699.02 and 47,956.52 is: 71,913.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,166.22 : 166,699.02 = 47,956.52 : x
  2. Step 2: Convert to fraction form
    111,166.22/166,699.02 = 47,956.52/x
  3. Step 3: Cross multiply
    111,166.22x = 166,699.02 × 47,956.52
  4. Step 4: Simplify right side
    111,166.22x = 7,994,304,886.61
  5. Step 5: Solve for x
    x = 7,994,304,886.61/111,166.22
  6. Step 6: Final answer
    x = 71,913.08

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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.