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Finding the Fourth Proportional to 136,698.67, 205,058.73 and 36,857.35

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Solution

The fourth proportional to 136,698.67, 205,058.73 and 36,857.35 is: 55,288.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,698.67 : 205,058.73 = 36,857.35 : x
  2. Step 2: Convert to fraction form
    136,698.67/205,058.73 = 36,857.35/x
  3. Step 3: Cross multiply
    136,698.67x = 205,058.73 × 36,857.35
  4. Step 4: Simplify right side
    136,698.67x = 7,557,921,382.17
  5. Step 5: Solve for x
    x = 7,557,921,382.17/136,698.67
  6. Step 6: Final answer
    x = 55,288.92

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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.