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Finding the Fourth Proportional to 148,701.60, 222,915.52 and 64,408.80

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Solution

The fourth proportional to 148,701.60, 222,915.52 and 64,408.80 is: 96,553.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,701.60 : 222,915.52 = 64,408.80 : x
  2. Step 2: Convert to fraction form
    148,701.60/222,915.52 = 64,408.80/x
  3. Step 3: Cross multiply
    148,701.60x = 222,915.52 × 64,408.80
  4. Step 4: Simplify right side
    148,701.60x = 14,357,721,144.58
  5. Step 5: Solve for x
    x = 14,357,721,144.58/148,701.60
  6. Step 6: Final answer
    x = 96,553.91

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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.