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Finding the Fourth Proportional to 160,991.19, 222,168.69 and 100,596.92

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Solution

The fourth proportional to 160,991.19, 222,168.69 and 100,596.92 is: 138,824.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,991.19 : 222,168.69 = 100,596.92 : x
  2. Step 2: Convert to fraction form
    160,991.19/222,168.69 = 100,596.92/x
  3. Step 3: Cross multiply
    160,991.19x = 222,168.69 × 100,596.92
  4. Step 4: Simplify right side
    160,991.19x = 22,349,484,823.59
  5. Step 5: Solve for x
    x = 22,349,484,823.59/160,991.19
  6. Step 6: Final answer
    x = 138,824.27

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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.