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Finding the Fourth Proportional to 228,056.96, 314,387.52 and 159,861.44

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Solution

The fourth proportional to 228,056.96, 314,387.52 and 159,861.44 is: 220,376.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,056.96 : 314,387.52 = 159,861.44 : x
  2. Step 2: Convert to fraction form
    228,056.96/314,387.52 = 159,861.44/x
  3. Step 3: Cross multiply
    228,056.96x = 314,387.52 × 159,861.44
  4. Step 4: Simplify right side
    228,056.96x = 50,258,441,665.23
  5. Step 5: Solve for x
    x = 50,258,441,665.23/228,056.96
  6. Step 6: Final answer
    x = 220,376.71

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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.