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Finding the Fourth Proportional to 148,578.60, 205,037.27 and 80,595.41

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Solution

The fourth proportional to 148,578.60, 205,037.27 and 80,595.41 is: 111,221.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,578.60 : 205,037.27 = 80,595.41 : x
  2. Step 2: Convert to fraction form
    148,578.60/205,037.27 = 80,595.41/x
  3. Step 3: Cross multiply
    148,578.60x = 205,037.27 × 80,595.41
  4. Step 4: Simplify right side
    148,578.60x = 16,525,061,412.77
  5. Step 5: Solve for x
    x = 16,525,061,412.77/148,578.60
  6. Step 6: Final answer
    x = 111,221.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.