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Finding the Fourth Proportional to 170,709.66, 256,092.30 and 64,101.87

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Solution

The fourth proportional to 170,709.66, 256,092.30 and 64,101.87 is: 96,163.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,709.66 : 256,092.30 = 64,101.87 : x
  2. Step 2: Convert to fraction form
    170,709.66/256,092.30 = 64,101.87/x
  3. Step 3: Cross multiply
    170,709.66x = 256,092.30 × 64,101.87
  4. Step 4: Simplify right side
    170,709.66x = 16,415,995,322.60
  5. Step 5: Solve for x
    x = 16,415,995,322.60/170,709.66
  6. Step 6: Final answer
    x = 96,163.25

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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.