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Finding the Fourth Proportional to 246,656.86, 340,386.43 and 133,479.61

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Solution

The fourth proportional to 246,656.86, 340,386.43 and 133,479.61 is: 184,201.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,656.86 : 340,386.43 = 133,479.61 : x
  2. Step 2: Convert to fraction form
    246,656.86/340,386.43 = 133,479.61/x
  3. Step 3: Cross multiply
    246,656.86x = 340,386.43 × 133,479.61
  4. Step 4: Simplify right side
    246,656.86x = 45,434,647,925.69
  5. Step 5: Solve for x
    x = 45,434,647,925.69/246,656.86
  6. Step 6: Final answer
    x = 184,201.84

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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.