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Finding the Fourth Proportional to 94,170.64, 141,255.94 and 35,021.20

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Solution

The fourth proportional to 94,170.64, 141,255.94 and 35,021.20 is: 52,531.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,170.64 : 141,255.94 = 35,021.20 : x
  2. Step 2: Convert to fraction form
    94,170.64/141,255.94 = 35,021.20/x
  3. Step 3: Cross multiply
    94,170.64x = 141,255.94 × 35,021.20
  4. Step 4: Simplify right side
    94,170.64x = 4,946,952,525.93
  5. Step 5: Solve for x
    x = 4,946,952,525.93/94,170.64
  6. Step 6: Final answer
    x = 52,531.79

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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.