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Finding the Fourth Proportional to 104,976,469.70, 157,464,704.55 and 83,293,676.90

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Solution

The fourth proportional to 104,976,469.70, 157,464,704.55 and 83,293,676.90 is: 124,940,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,469.70 : 157,464,704.55 = 83,293,676.90 : x
  2. Step 2: Convert to fraction form
    104,976,469.70/157,464,704.55 = 83,293,676.90/x
  3. Step 3: Cross multiply
    104,976,469.70x = 157,464,704.55 × 83,293,676.90
  4. Step 4: Simplify right side
    104,976,469.70x = 13,115,814,223,941,662
  5. Step 5: Solve for x
    x = 13,115,814,223,941,662/104,976,469.70
  6. Step 6: Final answer
    x = 124,940,515.35

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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.