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Finding the Fourth Proportional to 148,037.60, 221,910.60 and 73,169.30

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Solution

The fourth proportional to 148,037.60, 221,910.60 and 73,169.30 is: 109,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,037.60 : 221,910.60 = 73,169.30 : x
  2. Step 2: Convert to fraction form
    148,037.60/221,910.60 = 73,169.30/x
  3. Step 3: Cross multiply
    148,037.60x = 221,910.60 × 73,169.30
  4. Step 4: Simplify right side
    148,037.60x = 16,237,043,264.58
  5. Step 5: Solve for x
    x = 16,237,043,264.58/148,037.60
  6. Step 6: Final answer
    x = 109,681.89

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1.5x scale

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.