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Finding the Fourth Proportional to 160,912.89, 222,064.89 and 92,928.64

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Solution

The fourth proportional to 160,912.89, 222,064.89 and 92,928.64 is: 128,244.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,912.89 : 222,064.89 = 92,928.64 : x
  2. Step 2: Convert to fraction form
    160,912.89/222,064.89 = 92,928.64/x
  3. Step 3: Cross multiply
    160,912.89x = 222,064.89 × 92,928.64
  4. Step 4: Simplify right side
    160,912.89x = 20,636,187,315.81
  5. Step 5: Solve for x
    x = 20,636,187,315.81/160,912.89
  6. Step 6: Final answer
    x = 128,244.46

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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.