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Finding the Fourth Proportional to 201,310.32, 302,009.04 and 61,079.52

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Solution

The fourth proportional to 201,310.32, 302,009.04 and 61,079.52 is: 91,632.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,310.32 : 302,009.04 = 61,079.52 : x
  2. Step 2: Convert to fraction form
    201,310.32/302,009.04 = 61,079.52/x
  3. Step 3: Cross multiply
    201,310.32x = 302,009.04 × 61,079.52
  4. Step 4: Simplify right side
    201,310.32x = 18,446,567,198.86
  5. Step 5: Solve for x
    x = 18,446,567,198.86/201,310.32
  6. Step 6: Final answer
    x = 91,632.50

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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.