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Finding the Fourth Proportional to 79,147.45, 118,702.54 and 22,972.74

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Solution

The fourth proportional to 79,147.45, 118,702.54 and 22,972.74 is: 34,453.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,147.45 : 118,702.54 = 22,972.74 : x
  2. Step 2: Convert to fraction form
    79,147.45/118,702.54 = 22,972.74/x
  3. Step 3: Cross multiply
    79,147.45x = 118,702.54 × 22,972.74
  4. Step 4: Simplify right side
    79,147.45x = 2,726,922,588.76
  5. Step 5: Solve for x
    x = 2,726,922,588.76/79,147.45
  6. Step 6: Final answer
    x = 34,453.70

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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.