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Finding the Fourth Proportional to 234,657, 351,996.44 and 68,445

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Solution

The fourth proportional to 234,657, 351,996.44 and 68,445 is: 102,670.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,657 : 351,996.44 = 68,445 : x
  2. Step 2: Convert to fraction form
    234,657/351,996.44 = 68,445/x
  3. Step 3: Cross multiply
    234,657x = 351,996.44 × 68,445
  4. Step 4: Simplify right side
    234,657x = 24,092,395,993.58
  5. Step 5: Solve for x
    x = 24,092,395,993.58/234,657
  6. Step 6: Final answer
    x = 102,670.69

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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.