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Finding the Fourth Proportional to 118,952.48, 164,142.52 and 68,667.68

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Solution

The fourth proportional to 118,952.48, 164,142.52 and 68,667.68 is: 94,754.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,952.48 : 164,142.52 = 68,667.68 : x
  2. Step 2: Convert to fraction form
    118,952.48/164,142.52 = 68,667.68/x
  3. Step 3: Cross multiply
    118,952.48x = 164,142.52 × 68,667.68
  4. Step 4: Simplify right side
    118,952.48x = 11,271,286,037.75
  5. Step 5: Solve for x
    x = 11,271,286,037.75/118,952.48
  6. Step 6: Final answer
    x = 94,754.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.