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Finding the Fourth Proportional to 201,537.05, 302,218.08 and 61,262.87

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Solution

The fourth proportional to 201,537.05, 302,218.08 and 61,262.87 is: 91,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,537.05 : 302,218.08 = 61,262.87 : x
  2. Step 2: Convert to fraction form
    201,537.05/302,218.08 = 61,262.87/x
  3. Step 3: Cross multiply
    201,537.05x = 302,218.08 × 61,262.87
  4. Step 4: Simplify right side
    201,537.05x = 18,514,746,946.69
  5. Step 5: Solve for x
    x = 18,514,746,946.69/201,537.05
  6. Step 6: Final answer
    x = 91,867.71

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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.