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Finding the Fourth Proportional to 119,560.71, 164,991.77 and 65,850.73

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Solution

The fourth proportional to 119,560.71, 164,991.77 and 65,850.73 is: 90,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,560.71 : 164,991.77 = 65,850.73 : x
  2. Step 2: Convert to fraction form
    119,560.71/164,991.77 = 65,850.73/x
  3. Step 3: Cross multiply
    119,560.71x = 164,991.77 × 65,850.73
  4. Step 4: Simplify right side
    119,560.71x = 10,864,828,663.12
  5. Step 5: Solve for x
    x = 10,864,828,663.12/119,560.71
  6. Step 6: Final answer
    x = 90,872.90

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1.5x scale

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.