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Finding the Fourth Proportional to 171,931.32, 237,265.32 and 96,479.80

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Solution

The fourth proportional to 171,931.32, 237,265.32 and 96,479.80 is: 133,142.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,931.32 : 237,265.32 = 96,479.80 : x
  2. Step 2: Convert to fraction form
    171,931.32/237,265.32 = 96,479.80/x
  3. Step 3: Cross multiply
    171,931.32x = 237,265.32 × 96,479.80
  4. Step 4: Simplify right side
    171,931.32x = 22,891,310,620.54
  5. Step 5: Solve for x
    x = 22,891,310,620.54/171,931.32
  6. Step 6: Final answer
    x = 133,142.18

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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.