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Finding the Fourth Proportional to 94,951.90, 131,012.22 and 56,704.51

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Solution

The fourth proportional to 94,951.90, 131,012.22 and 56,704.51 is: 78,239.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,951.90 : 131,012.22 = 56,704.51 : x
  2. Step 2: Convert to fraction form
    94,951.90/131,012.22 = 56,704.51/x
  3. Step 3: Cross multiply
    94,951.90x = 131,012.22 × 56,704.51
  4. Step 4: Simplify right side
    94,951.90x = 7,428,983,739.11
  5. Step 5: Solve for x
    x = 7,428,983,739.11/94,951.90
  6. Step 6: Final answer
    x = 78,239.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.