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Finding the Fourth Proportional to 242,843.79, 364,232.88 and 65,361.45

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Solution

The fourth proportional to 242,843.79, 364,232.88 and 65,361.45 is: 98,033.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,843.79 : 364,232.88 = 65,361.45 : x
  2. Step 2: Convert to fraction form
    242,843.79/364,232.88 = 65,361.45/x
  3. Step 3: Cross multiply
    242,843.79x = 364,232.88 × 65,361.45
  4. Step 4: Simplify right side
    242,843.79x = 23,806,789,174.48
  5. Step 5: Solve for x
    x = 23,806,789,174.48/242,843.79
  6. Step 6: Final answer
    x = 98,033.35

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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.