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Finding the Fourth Proportional to 84,571,244.20, 118,144,650.20 and 84,571,244.20

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Solution

The fourth proportional to 84,571,244.20, 118,144,650.20 and 84,571,244.20 is: 118,144,650.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,571,244.20 : 118,144,650.20 = 84,571,244.20 : x
  2. Step 2: Convert to fraction form
    84,571,244.20/118,144,650.20 = 84,571,244.20/x
  3. Step 3: Cross multiply
    84,571,244.20x = 118,144,650.20 × 84,571,244.20
  4. Step 4: Simplify right side
    84,571,244.20x = 9,991,640,062,987,780
  5. Step 5: Solve for x
    x = 9,991,640,062,987,780/84,571,244.20
  6. Step 6: Final answer
    x = 118,144,650.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.