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Finding the Fourth Proportional to 78,966, 118,469.52 and 23,562

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Solution

The fourth proportional to 78,966, 118,469.52 and 23,562 is: 35,349.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,966 : 118,469.52 = 23,562 : x
  2. Step 2: Convert to fraction form
    78,966/118,469.52 = 23,562/x
  3. Step 3: Cross multiply
    78,966x = 118,469.52 × 23,562
  4. Step 4: Simplify right side
    78,966x = 2,791,378,830.24
  5. Step 5: Solve for x
    x = 2,791,378,830.24/78,966
  6. Step 6: Final answer
    x = 35,349.12

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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.