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Finding the Fourth Proportional to 171,812.64, 237,113.28 and 96,366

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Solution

The fourth proportional to 171,812.64, 237,113.28 and 96,366 is: 132,991.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,812.64 : 237,113.28 = 96,366 : x
  2. Step 2: Convert to fraction form
    171,812.64/237,113.28 = 96,366/x
  3. Step 3: Cross multiply
    171,812.64x = 237,113.28 × 96,366
  4. Step 4: Simplify right side
    171,812.64x = 22,849,658,340.48
  5. Step 5: Solve for x
    x = 22,849,658,340.48/171,812.64
  6. Step 6: Final answer
    x = 132,991.72

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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.