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Finding the Fourth Proportional to 117,772.52, 176,250.54 and 112,873.64

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Solution

The fourth proportional to 117,772.52, 176,250.54 and 112,873.64 is: 168,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,772.52 : 176,250.54 = 112,873.64 : x
  2. Step 2: Convert to fraction form
    117,772.52/176,250.54 = 112,873.64/x
  3. Step 3: Cross multiply
    117,772.52x = 176,250.54 × 112,873.64
  4. Step 4: Simplify right side
    117,772.52x = 19,894,040,001.77
  5. Step 5: Solve for x
    x = 19,894,040,001.77/117,772.52
  6. Step 6: Final answer
    x = 168,919.20

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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.