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Finding the Fourth Proportional to 74,777,211.37, 112,165,817.05 and 74,777,211.37

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Solution

The fourth proportional to 74,777,211.37, 112,165,817.05 and 74,777,211.37 is: 112,165,817.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,777,211.37 : 112,165,817.05 = 74,777,211.37 : x
  2. Step 2: Convert to fraction form
    74,777,211.37/112,165,817.05 = 74,777,211.37/x
  3. Step 3: Cross multiply
    74,777,211.37x = 112,165,817.05 × 74,777,211.37
  4. Step 4: Simplify right side
    74,777,211.37x = 8,387,447,009,475,770
  5. Step 5: Solve for x
    x = 8,387,447,009,475,770/74,777,211.37
  6. Step 6: Final answer
    x = 112,165,817.05

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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.