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Finding the Fourth Proportional to 201,939.10, 302,884.35 and 83,598.10

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Solution

The fourth proportional to 201,939.10, 302,884.35 and 83,598.10 is: 125,387.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,939.10 : 302,884.35 = 83,598.10 : x
  2. Step 2: Convert to fraction form
    201,939.10/302,884.35 = 83,598.10/x
  3. Step 3: Cross multiply
    201,939.10x = 302,884.35 × 83,598.10
  4. Step 4: Simplify right side
    201,939.10x = 25,320,556,179.74
  5. Step 5: Solve for x
    x = 25,320,556,179.74/201,939.10
  6. Step 6: Final answer
    x = 125,387.09

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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.