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Finding the Fourth Proportional to 160,396.86, 221,355.54 and 92,424.48

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Solution

The fourth proportional to 160,396.86, 221,355.54 and 92,424.48 is: 127,550.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,396.86 : 221,355.54 = 92,424.48 : x
  2. Step 2: Convert to fraction form
    160,396.86/221,355.54 = 92,424.48/x
  3. Step 3: Cross multiply
    160,396.86x = 221,355.54 × 92,424.48
  4. Step 4: Simplify right side
    160,396.86x = 20,458,670,679.62
  5. Step 5: Solve for x
    x = 20,458,670,679.62/160,396.86
  6. Step 6: Final answer
    x = 127,550.32

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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.