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Finding the Fourth Proportional to 188,737.48, 260,451.22 and 103,846.60

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Solution

The fourth proportional to 188,737.48, 260,451.22 and 103,846.60 is: 143,304.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,737.48 : 260,451.22 = 103,846.60 : x
  2. Step 2: Convert to fraction form
    188,737.48/260,451.22 = 103,846.60/x
  3. Step 3: Cross multiply
    188,737.48x = 260,451.22 × 103,846.60
  4. Step 4: Simplify right side
    188,737.48x = 27,046,973,662.85
  5. Step 5: Solve for x
    x = 27,046,973,662.85/188,737.48
  6. Step 6: Final answer
    x = 143,304.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.