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Finding the Fourth Proportional to 161,037.60, 225,919.20 and 161,037.60

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Solution

The fourth proportional to 161,037.60, 225,919.20 and 161,037.60 is: 225,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,037.60 : 225,919.20 = 161,037.60 : x
  2. Step 2: Convert to fraction form
    161,037.60/225,919.20 = 161,037.60/x
  3. Step 3: Cross multiply
    161,037.60x = 225,919.20 × 161,037.60
  4. Step 4: Simplify right side
    161,037.60x = 36,381,485,761.92
  5. Step 5: Solve for x
    x = 36,381,485,761.92/161,037.60
  6. Step 6: Final answer
    x = 225,919.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.