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Finding the Fourth Proportional to 160,832.53, 221,958.95 and 92,861.94

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Solution

The fourth proportional to 160,832.53, 221,958.95 and 92,861.94 is: 128,155.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,832.53 : 221,958.95 = 92,861.94 : x
  2. Step 2: Convert to fraction form
    160,832.53/221,958.95 = 92,861.94/x
  3. Step 3: Cross multiply
    160,832.53x = 221,958.95 × 92,861.94
  4. Step 4: Simplify right side
    160,832.53x = 20,611,538,697.36
  5. Step 5: Solve for x
    x = 20,611,538,697.36/160,832.53
  6. Step 6: Final answer
    x = 128,155.28

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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.