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Finding the Fourth Proportional to 181,754.28, 250,862.27 and 117,981.36

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Solution

The fourth proportional to 181,754.28, 250,862.27 and 117,981.36 is: 162,841.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,754.28 : 250,862.27 = 117,981.36 : x
  2. Step 2: Convert to fraction form
    181,754.28/250,862.27 = 117,981.36/x
  3. Step 3: Cross multiply
    181,754.28x = 250,862.27 × 117,981.36
  4. Step 4: Simplify right side
    181,754.28x = 29,597,071,197.38
  5. Step 5: Solve for x
    x = 29,597,071,197.38/181,754.28
  6. Step 6: Final answer
    x = 162,841.12

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1.5x scale

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.