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Finding the Fourth Proportional to 136,704.51, 204,934.73 and 73,558.53

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Solution

The fourth proportional to 136,704.51, 204,934.73 and 73,558.53 is: 110,272.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,704.51 : 204,934.73 = 73,558.53 : x
  2. Step 2: Convert to fraction form
    136,704.51/204,934.73 = 73,558.53/x
  3. Step 3: Cross multiply
    136,704.51x = 204,934.73 × 73,558.53
  4. Step 4: Simplify right side
    136,704.51x = 15,074,697,116.95
  5. Step 5: Solve for x
    x = 15,074,697,116.95/136,704.51
  6. Step 6: Final answer
    x = 110,272.13

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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.