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Finding the Fourth Proportional to 85,079.74, 127,619.65 and 35,104.93

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Solution

The fourth proportional to 85,079.74, 127,619.65 and 35,104.93 is: 52,657.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,079.74 : 127,619.65 = 35,104.93 : x
  2. Step 2: Convert to fraction form
    85,079.74/127,619.65 = 35,104.93/x
  3. Step 3: Cross multiply
    85,079.74x = 127,619.65 × 35,104.93
  4. Step 4: Simplify right side
    85,079.74x = 4,480,078,704.35
  5. Step 5: Solve for x
    x = 4,480,078,704.35/85,079.74
  6. Step 6: Final answer
    x = 52,657.41

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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.