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Finding the Fourth Proportional to 246,580.62, 340,277.90 and 137,686.64

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Solution

The fourth proportional to 246,580.62, 340,277.90 and 137,686.64 is: 190,005.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,580.62 : 340,277.90 = 137,686.64 : x
  2. Step 2: Convert to fraction form
    246,580.62/340,277.90 = 137,686.64/x
  3. Step 3: Cross multiply
    246,580.62x = 340,277.90 × 137,686.64
  4. Step 4: Simplify right side
    246,580.62x = 46,851,721,654.00
  5. Step 5: Solve for x
    x = 46,851,721,654.00/246,580.62
  6. Step 6: Final answer
    x = 190,005.69

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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.