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Finding the Fourth Proportional to 234,641.32, 351,961.98 and 68,442.28

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Solution

The fourth proportional to 234,641.32, 351,961.98 and 68,442.28 is: 102,663.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,641.32 : 351,961.98 = 68,442.28 : x
  2. Step 2: Convert to fraction form
    234,641.32/351,961.98 = 68,442.28/x
  3. Step 3: Cross multiply
    234,641.32x = 351,961.98 × 68,442.28
  4. Step 4: Simplify right side
    234,641.32x = 24,089,080,384.51
  5. Step 5: Solve for x
    x = 24,089,080,384.51/234,641.32
  6. Step 6: Final answer
    x = 102,663.42

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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.