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Finding the Fourth Proportional to 325,606.77, 488,548.67 and 126,067.32

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Solution

The fourth proportional to 325,606.77, 488,548.67 and 126,067.32 is: 189,154.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,606.77 : 488,548.67 = 126,067.32 : x
  2. Step 2: Convert to fraction form
    325,606.77/488,548.67 = 126,067.32/x
  3. Step 3: Cross multiply
    325,606.77x = 488,548.67 × 126,067.32
  4. Step 4: Simplify right side
    325,606.77x = 61,590,020,886.13
  5. Step 5: Solve for x
    x = 61,590,020,886.13/325,606.77
  6. Step 6: Final answer
    x = 189,154.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.