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Finding the Fourth Proportional to 246,887.86, 340,852.08 and 156,321.46

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Solution

The fourth proportional to 246,887.86, 340,852.08 and 156,321.46 is: 215,816.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,887.86 : 340,852.08 = 156,321.46 : x
  2. Step 2: Convert to fraction form
    246,887.86/340,852.08 = 156,321.46/x
  3. Step 3: Cross multiply
    246,887.86x = 340,852.08 × 156,321.46
  4. Step 4: Simplify right side
    246,887.86x = 53,282,494,789.64
  5. Step 5: Solve for x
    x = 53,282,494,789.64/246,887.86
  6. Step 6: Final answer
    x = 215,816.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.