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Finding the Fourth Proportional to 176,467.66, 243,538.17 and 103,874.30

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Solution

The fourth proportional to 176,467.66, 243,538.17 and 103,874.30 is: 143,354.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,467.66 : 243,538.17 = 103,874.30 : x
  2. Step 2: Convert to fraction form
    176,467.66/243,538.17 = 103,874.30/x
  3. Step 3: Cross multiply
    176,467.66x = 243,538.17 × 103,874.30
  4. Step 4: Simplify right side
    176,467.66x = 25,297,356,530.23
  5. Step 5: Solve for x
    x = 25,297,356,530.23/176,467.66
  6. Step 6: Final answer
    x = 143,354.06

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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.