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Finding the Fourth Proportional to 242,859.97, 364,261.56 and 65,353.03

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Solution

The fourth proportional to 242,859.97, 364,261.56 and 65,353.03 is: 98,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,859.97 : 364,261.56 = 65,353.03 : x
  2. Step 2: Convert to fraction form
    242,859.97/364,261.56 = 65,353.03/x
  3. Step 3: Cross multiply
    242,859.97x = 364,261.56 × 65,353.03
  4. Step 4: Simplify right side
    242,859.97x = 23,805,595,502.80
  5. Step 5: Solve for x
    x = 23,805,595,502.80/242,859.97
  6. Step 6: Final answer
    x = 98,021.90

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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.