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Finding the Fourth Proportional to 150,758,469.90, 211,539,615.30 and 150,758,469.90

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Solution

The fourth proportional to 150,758,469.90, 211,539,615.30 and 150,758,469.90 is: 211,539,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,758,469.90 : 211,539,615.30 = 150,758,469.90 : x
  2. Step 2: Convert to fraction form
    150,758,469.90/211,539,615.30 = 150,758,469.90/x
  3. Step 3: Cross multiply
    150,758,469.90x = 211,539,615.30 × 150,758,469.90
  4. Step 4: Simplify right side
    150,758,469.90x = 31,891,388,725,862,632
  5. Step 5: Solve for x
    x = 31,891,388,725,862,632/150,758,469.90
  6. Step 6: Final answer
    x = 211,539,615.30

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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.