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Finding the Fourth Proportional to 157,481.42, 236,212.40 and 63,984.74

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Solution

The fourth proportional to 157,481.42, 236,212.40 and 63,984.74 is: 95,973.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,481.42 : 236,212.40 = 63,984.74 : x
  2. Step 2: Convert to fraction form
    157,481.42/236,212.40 = 63,984.74/x
  3. Step 3: Cross multiply
    157,481.42x = 236,212.40 × 63,984.74
  4. Step 4: Simplify right side
    157,481.42x = 15,113,987,977.68
  5. Step 5: Solve for x
    x = 15,113,987,977.68/157,481.42
  6. Step 6: Final answer
    x = 95,973.15

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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.