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Finding the Fourth Proportional to 251,016.48, 376,192.44 and 117,657.96

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Solution

The fourth proportional to 251,016.48, 376,192.44 and 117,657.96 is: 176,331.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,016.48 : 376,192.44 = 117,657.96 : x
  2. Step 2: Convert to fraction form
    251,016.48/376,192.44 = 117,657.96/x
  3. Step 3: Cross multiply
    251,016.48x = 376,192.44 × 117,657.96
  4. Step 4: Simplify right side
    251,016.48x = 44,262,035,057.82
  5. Step 5: Solve for x
    x = 44,262,035,057.82/251,016.48
  6. Step 6: Final answer
    x = 176,331.19

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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.