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Finding the Fourth Proportional to 51,094.85, 77,122.22 and 51,094.85

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Solution

The fourth proportional to 51,094.85, 77,122.22 and 51,094.85 is: 77,122.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,094.85 : 77,122.22 = 51,094.85 : x
  2. Step 2: Convert to fraction form
    51,094.85/77,122.22 = 51,094.85/x
  3. Step 3: Cross multiply
    51,094.85x = 77,122.22 × 51,094.85
  4. Step 4: Simplify right side
    51,094.85x = 3,940,548,262.57
  5. Step 5: Solve for x
    x = 3,940,548,262.57/51,094.85
  6. Step 6: Final answer
    x = 77,122.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.