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Finding the Fourth Proportional to 64,241.52, 96,361.98 and 42,849.02

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Solution

The fourth proportional to 64,241.52, 96,361.98 and 42,849.02 is: 64,273.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,241.52 : 96,361.98 = 42,849.02 : x
  2. Step 2: Convert to fraction form
    64,241.52/96,361.98 = 42,849.02/x
  3. Step 3: Cross multiply
    64,241.52x = 96,361.98 × 42,849.02
  4. Step 4: Simplify right side
    64,241.52x = 4,129,015,712.20
  5. Step 5: Solve for x
    x = 4,129,015,712.20/64,241.52
  6. Step 6: Final answer
    x = 64,273.32

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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.