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Finding the Fourth Proportional to 62,139.68, 85,752.71 and 33,845.36

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Solution

The fourth proportional to 62,139.68, 85,752.71 and 33,845.36 is: 46,706.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,139.68 : 85,752.71 = 33,845.36 : x
  2. Step 2: Convert to fraction form
    62,139.68/85,752.71 = 33,845.36/x
  3. Step 3: Cross multiply
    62,139.68x = 85,752.71 × 33,845.36
  4. Step 4: Simplify right side
    62,139.68x = 2,902,331,386.08
  5. Step 5: Solve for x
    x = 2,902,331,386.08/62,139.68
  6. Step 6: Final answer
    x = 46,706.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.