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Finding the Fourth Proportional to 111,101.32, 166,614.98 and 47,881.97

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Solution

The fourth proportional to 111,101.32, 166,614.98 and 47,881.97 is: 71,807.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,101.32 : 166,614.98 = 47,881.97 : x
  2. Step 2: Convert to fraction form
    111,101.32/166,614.98 = 47,881.97/x
  3. Step 3: Cross multiply
    111,101.32x = 166,614.98 × 47,881.97
  4. Step 4: Simplify right side
    111,101.32x = 7,977,853,026.23
  5. Step 5: Solve for x
    x = 7,977,853,026.23/111,101.32
  6. Step 6: Final answer
    x = 71,807.00

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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.