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Finding the Fourth Proportional to 234,327.02, 351,490.52 and 65,840.54

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Solution

The fourth proportional to 234,327.02, 351,490.52 and 65,840.54 is: 98,760.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,327.02 : 351,490.52 = 65,840.54 : x
  2. Step 2: Convert to fraction form
    234,327.02/351,490.52 = 65,840.54/x
  3. Step 3: Cross multiply
    234,327.02x = 351,490.52 × 65,840.54
  4. Step 4: Simplify right side
    234,327.02x = 23,142,323,555.03
  5. Step 5: Solve for x
    x = 23,142,323,555.03/234,327.02
  6. Step 6: Final answer
    x = 98,760.80

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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.