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Finding the Fourth Proportional to 100,851,766.55, 151,277,649.83 and 100,851,766.55

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Solution

The fourth proportional to 100,851,766.55, 151,277,649.83 and 100,851,766.55 is: 151,277,649.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,851,766.55 : 151,277,649.83 = 100,851,766.55 : x
  2. Step 2: Convert to fraction form
    100,851,766.55/151,277,649.83 = 100,851,766.55/x
  3. Step 3: Cross multiply
    100,851,766.55x = 151,277,649.83 × 100,851,766.55
  4. Step 4: Simplify right side
    100,851,766.55x = 15,256,618,224,383,546
  5. Step 5: Solve for x
    x = 15,256,618,224,383,546/100,851,766.55
  6. Step 6: Final answer
    x = 151,277,649.83

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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.