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Finding the Fourth Proportional to 170,649.64, 235,496.32 and 94,168.71

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Solution

The fourth proportional to 170,649.64, 235,496.32 and 94,168.71 is: 129,952.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,649.64 : 235,496.32 = 94,168.71 : x
  2. Step 2: Convert to fraction form
    170,649.64/235,496.32 = 94,168.71/x
  3. Step 3: Cross multiply
    170,649.64x = 235,496.32 × 94,168.71
  4. Step 4: Simplify right side
    170,649.64x = 22,176,384,664.15
  5. Step 5: Solve for x
    x = 22,176,384,664.15/170,649.64
  6. Step 6: Final answer
    x = 129,952.72

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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.