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Finding the Fourth Proportional to 201,717.08, 302,620.56 and 61,486.64

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Solution

The fourth proportional to 201,717.08, 302,620.56 and 61,486.64 is: 92,243.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,717.08 : 302,620.56 = 61,486.64 : x
  2. Step 2: Convert to fraction form
    201,717.08/302,620.56 = 61,486.64/x
  3. Step 3: Cross multiply
    201,717.08x = 302,620.56 × 61,486.64
  4. Step 4: Simplify right side
    201,717.08x = 18,607,121,429.32
  5. Step 5: Solve for x
    x = 18,607,121,429.32/201,717.08
  6. Step 6: Final answer
    x = 92,243.66

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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.