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Finding the Fourth Proportional to 119,338.32, 164,674.12 and 69,027.92

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Solution

The fourth proportional to 119,338.32, 164,674.12 and 69,027.92 is: 95,251.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,338.32 : 164,674.12 = 69,027.92 : x
  2. Step 2: Convert to fraction form
    119,338.32/164,674.12 = 69,027.92/x
  3. Step 3: Cross multiply
    119,338.32x = 164,674.12 × 69,027.92
  4. Step 4: Simplify right side
    119,338.32x = 11,367,111,981.43
  5. Step 5: Solve for x
    x = 11,367,111,981.43/119,338.32
  6. Step 6: Final answer
    x = 95,251.15

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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.