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Finding the Fourth Proportional to 246,995.61, 340,854.33 and 133,818.36

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Solution

The fourth proportional to 246,995.61, 340,854.33 and 133,818.36 is: 184,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,995.61 : 340,854.33 = 133,818.36 : x
  2. Step 2: Convert to fraction form
    246,995.61/340,854.33 = 133,818.36/x
  3. Step 3: Cross multiply
    246,995.61x = 340,854.33 × 133,818.36
  4. Step 4: Simplify right side
    246,995.61x = 45,612,567,439.50
  5. Step 5: Solve for x
    x = 45,612,567,439.50/246,995.61
  6. Step 6: Final answer
    x = 184,669.55

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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.