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Finding the Fourth Proportional to 251,994.72, 378,083.88 and 117,121.08

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Solution

The fourth proportional to 251,994.72, 378,083.88 and 117,121.08 is: 175,724.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,994.72 : 378,083.88 = 117,121.08 : x
  2. Step 2: Convert to fraction form
    251,994.72/378,083.88 = 117,121.08/x
  3. Step 3: Cross multiply
    251,994.72x = 378,083.88 × 117,121.08
  4. Step 4: Simplify right side
    251,994.72x = 44,281,592,356.19
  5. Step 5: Solve for x
    x = 44,281,592,356.19/251,994.72
  6. Step 6: Final answer
    x = 175,724.29

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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.