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Finding the Fourth Proportional to 136,585.82, 204,853.91 and 36,722.72

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Solution

The fourth proportional to 136,585.82, 204,853.91 and 36,722.72 is: 55,077.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,585.82 : 204,853.91 = 36,722.72 : x
  2. Step 2: Convert to fraction form
    136,585.82/204,853.91 = 36,722.72/x
  3. Step 3: Cross multiply
    136,585.82x = 204,853.91 × 36,722.72
  4. Step 4: Simplify right side
    136,585.82x = 7,522,791,569.95
  5. Step 5: Solve for x
    x = 7,522,791,569.95/136,585.82
  6. Step 6: Final answer
    x = 55,077.40

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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.