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Finding the Fourth Proportional to 149,893.60, 224,840.40 and 96,671.20

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Solution

The fourth proportional to 149,893.60, 224,840.40 and 96,671.20 is: 145,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,893.60 : 224,840.40 = 96,671.20 : x
  2. Step 2: Convert to fraction form
    149,893.60/224,840.40 = 96,671.20/x
  3. Step 3: Cross multiply
    149,893.60x = 224,840.40 × 96,671.20
  4. Step 4: Simplify right side
    149,893.60x = 21,735,591,276.48
  5. Step 5: Solve for x
    x = 21,735,591,276.48/149,893.60
  6. Step 6: Final answer
    x = 145,006.80

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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.