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Finding the Fourth Proportional to 201,371.93, 302,042.08 and 117,078.36

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Solution

The fourth proportional to 201,371.93, 302,042.08 and 117,078.36 is: 175,608.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,371.93 : 302,042.08 = 117,078.36 : x
  2. Step 2: Convert to fraction form
    201,371.93/302,042.08 = 117,078.36/x
  3. Step 3: Cross multiply
    201,371.93x = 302,042.08 × 117,078.36
  4. Step 4: Simplify right side
    201,371.93x = 35,362,591,377.39
  5. Step 5: Solve for x
    x = 35,362,591,377.39/201,371.93
  6. Step 6: Final answer
    x = 175,608.35

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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.