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Finding the Fourth Proportional to 234,487.92, 351,728.70 and 56,994.36

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Solution

The fourth proportional to 234,487.92, 351,728.70 and 56,994.36 is: 85,490.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,487.92 : 351,728.70 = 56,994.36 : x
  2. Step 2: Convert to fraction form
    234,487.92/351,728.70 = 56,994.36/x
  3. Step 3: Cross multiply
    234,487.92x = 351,728.70 × 56,994.36
  4. Step 4: Simplify right side
    234,487.92x = 20,046,552,150.13
  5. Step 5: Solve for x
    x = 20,046,552,150.13/234,487.92
  6. Step 6: Final answer
    x = 85,490.77

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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.