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Finding the Fourth Proportional to 96,615,241.80, 144,873,217.80 and 28,449,076.20

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Solution

The fourth proportional to 96,615,241.80, 144,873,217.80 and 28,449,076.20 is: 42,658,995.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,615,241.80 : 144,873,217.80 = 28,449,076.20 : x
  2. Step 2: Convert to fraction form
    96,615,241.80/144,873,217.80 = 28,449,076.20/x
  3. Step 3: Cross multiply
    96,615,241.80x = 144,873,217.80 × 28,449,076.20
  4. Step 4: Simplify right side
    96,615,241.80x = 4,121,509,212,531,396.50
  5. Step 5: Solve for x
    x = 4,121,509,212,531,396.50/96,615,241.80
  6. Step 6: Final answer
    x = 42,658,995.99

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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.