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Finding the Fourth Proportional to 119,197.60, 164,440.56 and 73,863.52

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Solution

The fourth proportional to 119,197.60, 164,440.56 and 73,863.52 is: 101,899.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,197.60 : 164,440.56 = 73,863.52 : x
  2. Step 2: Convert to fraction form
    119,197.60/164,440.56 = 73,863.52/x
  3. Step 3: Cross multiply
    119,197.60x = 164,440.56 × 73,863.52
  4. Step 4: Simplify right side
    119,197.60x = 12,146,158,592.37
  5. Step 5: Solve for x
    x = 12,146,158,592.37/119,197.60
  6. Step 6: Final answer
    x = 101,899.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.