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Finding the Fourth Proportional to 171,227.00, 256,901.38 and 76,448.63

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Solution

The fourth proportional to 171,227.00, 256,901.38 and 76,448.63 is: 114,700.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,227.00 : 256,901.38 = 76,448.63 : x
  2. Step 2: Convert to fraction form
    171,227.00/256,901.38 = 76,448.63/x
  3. Step 3: Cross multiply
    171,227.00x = 256,901.38 × 76,448.63
  4. Step 4: Simplify right side
    171,227.00x = 19,639,757,070.48
  5. Step 5: Solve for x
    x = 19,639,757,070.48/171,227.00
  6. Step 6: Final answer
    x = 114,700.12

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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.