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Finding the Fourth Proportional to 51,104,087.80, 76,656,131.70 and 51,104,087.80

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Solution

The fourth proportional to 51,104,087.80, 76,656,131.70 and 51,104,087.80 is: 76,656,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,104,087.80 : 76,656,131.70 = 51,104,087.80 : x
  2. Step 2: Convert to fraction form
    51,104,087.80/76,656,131.70 = 51,104,087.80/x
  3. Step 3: Cross multiply
    51,104,087.80x = 76,656,131.70 × 51,104,087.80
  4. Step 4: Simplify right side
    51,104,087.80x = 3,917,441,684,805,163
  5. Step 5: Solve for x
    x = 3,917,441,684,805,163/51,104,087.80
  6. Step 6: Final answer
    x = 76,656,131.70

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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.