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Finding the Fourth Proportional to 119,662.40, 179,639.40 and 60,467.60

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Solution

The fourth proportional to 119,662.40, 179,639.40 and 60,467.60 is: 90,775.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,662.40 : 179,639.40 = 60,467.60 : x
  2. Step 2: Convert to fraction form
    119,662.40/179,639.40 = 60,467.60/x
  3. Step 3: Cross multiply
    119,662.40x = 179,639.40 × 60,467.60
  4. Step 4: Simplify right side
    119,662.40x = 10,862,363,383.44
  5. Step 5: Solve for x
    x = 10,862,363,383.44/119,662.40
  6. Step 6: Final answer
    x = 90,775.08

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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.