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Finding the Fourth Proportional to 70,644,495.64, 105,966,745.08 and 22,126,145.80

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Solution

The fourth proportional to 70,644,495.64, 105,966,745.08 and 22,126,145.80 is: 33,189,219.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,644,495.64 : 105,966,745.08 = 22,126,145.80 : x
  2. Step 2: Convert to fraction form
    70,644,495.64/105,966,745.08 = 22,126,145.80/x
  3. Step 3: Cross multiply
    70,644,495.64x = 105,966,745.08 × 22,126,145.80
  4. Step 4: Simplify right side
    70,644,495.64x = 2,344,635,651,591,512.50
  5. Step 5: Solve for x
    x = 2,344,635,651,591,512.50/70,644,495.64
  6. Step 6: Final answer
    x = 33,189,219.21

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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.