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Finding the Fourth Proportional to 246,560.66, 340,250.39 and 137,666.68

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Solution

The fourth proportional to 246,560.66, 340,250.39 and 137,666.68 is: 189,978.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,560.66 : 340,250.39 = 137,666.68 : x
  2. Step 2: Convert to fraction form
    246,560.66/340,250.39 = 137,666.68/x
  3. Step 3: Cross multiply
    246,560.66x = 340,250.39 × 137,666.68
  4. Step 4: Simplify right side
    246,560.66x = 46,841,140,871.67
  5. Step 5: Solve for x
    x = 46,841,140,871.67/246,560.66
  6. Step 6: Final answer
    x = 189,978.16

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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.