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Finding the Fourth Proportional to 231,864.92, 347,344.48 and 159,804.94

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Solution

The fourth proportional to 231,864.92, 347,344.48 and 159,804.94 is: 239,395.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,864.92 : 347,344.48 = 159,804.94 : x
  2. Step 2: Convert to fraction form
    231,864.92/347,344.48 = 159,804.94/x
  3. Step 3: Cross multiply
    231,864.92x = 347,344.48 × 159,804.94
  4. Step 4: Simplify right side
    231,864.92x = 55,507,363,785.73
  5. Step 5: Solve for x
    x = 55,507,363,785.73/231,864.92
  6. Step 6: Final answer
    x = 239,395.26

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1.5x scale

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.