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Finding the Fourth Proportional to 136,019.70, 204,029.55 and 73,034.10

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Solution

The fourth proportional to 136,019.70, 204,029.55 and 73,034.10 is: 109,551.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,019.70 : 204,029.55 = 73,034.10 : x
  2. Step 2: Convert to fraction form
    136,019.70/204,029.55 = 73,034.10/x
  3. Step 3: Cross multiply
    136,019.70x = 204,029.55 × 73,034.10
  4. Step 4: Simplify right side
    136,019.70x = 14,901,114,557.66
  5. Step 5: Solve for x
    x = 14,901,114,557.66/136,019.70
  6. Step 6: Final answer
    x = 109,551.15

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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.