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Finding the Fourth Proportional to 173,500.60, 260,007.90 and 138,022.60

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Solution

The fourth proportional to 173,500.60, 260,007.90 and 138,022.60 is: 206,840.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,500.60 : 260,007.90 = 138,022.60 : x
  2. Step 2: Convert to fraction form
    173,500.60/260,007.90 = 138,022.60/x
  3. Step 3: Cross multiply
    173,500.60x = 260,007.90 × 138,022.60
  4. Step 4: Simplify right side
    173,500.60x = 35,886,966,378.54
  5. Step 5: Solve for x
    x = 35,886,966,378.54/173,500.60
  6. Step 6: Final answer
    x = 206,840.59

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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.