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Finding the Fourth Proportional to 119,497.13, 164,917.01 and 65,793.05

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Solution

The fourth proportional to 119,497.13, 164,917.01 and 65,793.05 is: 90,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,497.13 : 164,917.01 = 65,793.05 : x
  2. Step 2: Convert to fraction form
    119,497.13/164,917.01 = 65,793.05/x
  3. Step 3: Cross multiply
    119,497.13x = 164,917.01 × 65,793.05
  4. Step 4: Simplify right side
    119,497.13x = 10,850,392,424.68
  5. Step 5: Solve for x
    x = 10,850,392,424.68/119,497.13
  6. Step 6: Final answer
    x = 90,800.45

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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.