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Finding the Fourth Proportional to 181,934.77, 272,954.77 and 75,299.01

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Solution

The fourth proportional to 181,934.77, 272,954.77 and 75,299.01 is: 112,970.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,934.77 : 272,954.77 = 75,299.01 : x
  2. Step 2: Convert to fraction form
    181,934.77/272,954.77 = 75,299.01/x
  3. Step 3: Cross multiply
    181,934.77x = 272,954.77 × 75,299.01
  4. Step 4: Simplify right side
    181,934.77x = 20,553,223,579.28
  5. Step 5: Solve for x
    x = 20,553,223,579.28/181,934.77
  6. Step 6: Final answer
    x = 112,970.29

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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.