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Finding the Fourth Proportional to 74,489,110.70, 111,733,666.05 and 74,489,110.70

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Solution

The fourth proportional to 74,489,110.70, 111,733,666.05 and 74,489,110.70 is: 111,733,666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,489,110.70 : 111,733,666.05 = 74,489,110.70 : x
  2. Step 2: Convert to fraction form
    74,489,110.70/111,733,666.05 = 74,489,110.70/x
  3. Step 3: Cross multiply
    74,489,110.70x = 111,733,666.05 × 74,489,110.70
  4. Step 4: Simplify right side
    74,489,110.70x = 8,322,941,419,315,282
  5. Step 5: Solve for x
    x = 8,322,941,419,315,282/74,489,110.70
  6. Step 6: Final answer
    x = 111,733,666.05

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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.