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Finding the Fourth Proportional to 171,097.28, 256,145.44 and 99,801.92

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Solution

The fourth proportional to 171,097.28, 256,145.44 and 99,801.92 is: 149,410.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,097.28 : 256,145.44 = 99,801.92 : x
  2. Step 2: Convert to fraction form
    171,097.28/256,145.44 = 99,801.92/x
  3. Step 3: Cross multiply
    171,097.28x = 256,145.44 × 99,801.92
  4. Step 4: Simplify right side
    171,097.28x = 25,563,806,711.24
  5. Step 5: Solve for x
    x = 25,563,806,711.24/171,097.28
  6. Step 6: Final answer
    x = 149,410.95

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1.5x scale

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.