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Finding the Fourth Proportional to 136,952.70, 205,429.05 and 62,072.70

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Solution

The fourth proportional to 136,952.70, 205,429.05 and 62,072.70 is: 93,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,952.70 : 205,429.05 = 62,072.70 : x
  2. Step 2: Convert to fraction form
    136,952.70/205,429.05 = 62,072.70/x
  3. Step 3: Cross multiply
    136,952.70x = 205,429.05 × 62,072.70
  4. Step 4: Simplify right side
    136,952.70x = 12,751,535,791.94
  5. Step 5: Solve for x
    x = 12,751,535,791.94/136,952.70
  6. Step 6: Final answer
    x = 93,109.05

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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.