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Finding the Fourth Proportional to 78,951.58, 118,490.22 and 41,533.48

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Solution

The fourth proportional to 78,951.58, 118,490.22 and 41,533.48 is: 62,333.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,951.58 : 118,490.22 = 41,533.48 : x
  2. Step 2: Convert to fraction form
    78,951.58/118,490.22 = 41,533.48/x
  3. Step 3: Cross multiply
    78,951.58x = 118,490.22 × 41,533.48
  4. Step 4: Simplify right side
    78,951.58x = 4,921,311,182.57
  5. Step 5: Solve for x
    x = 4,921,311,182.57/78,951.58
  6. Step 6: Final answer
    x = 62,333.28

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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.