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Finding the Fourth Proportional to 79,477.20, 119,410.20 and 59,794.20

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Solution

The fourth proportional to 79,477.20, 119,410.20 and 59,794.20 is: 89,837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,477.20 : 119,410.20 = 59,794.20 : x
  2. Step 2: Convert to fraction form
    79,477.20/119,410.20 = 59,794.20/x
  3. Step 3: Cross multiply
    79,477.20x = 119,410.20 × 59,794.20
  4. Step 4: Simplify right side
    79,477.20x = 7,140,037,380.84
  5. Step 5: Solve for x
    x = 7,140,037,380.84/79,477.20
  6. Step 6: Final answer
    x = 89,837.56

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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.