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Finding the Fourth Proportional to 181,887.66, 272,328.48 and 92,949.66

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Solution

The fourth proportional to 181,887.66, 272,328.48 and 92,949.66 is: 139,167.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,887.66 : 272,328.48 = 92,949.66 : x
  2. Step 2: Convert to fraction form
    181,887.66/272,328.48 = 92,949.66/x
  3. Step 3: Cross multiply
    181,887.66x = 272,328.48 × 92,949.66
  4. Step 4: Simplify right side
    181,887.66x = 25,312,839,624.32
  5. Step 5: Solve for x
    x = 25,312,839,624.32/181,887.66
  6. Step 6: Final answer
    x = 139,167.44

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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.