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Finding the Fourth Proportional to 268,861.38, 403,352.83 and 88,946.38

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Solution

The fourth proportional to 268,861.38, 403,352.83 and 88,946.38 is: 133,439.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,861.38 : 403,352.83 = 88,946.38 : x
  2. Step 2: Convert to fraction form
    268,861.38/403,352.83 = 88,946.38/x
  3. Step 3: Cross multiply
    268,861.38x = 403,352.83 × 88,946.38
  4. Step 4: Simplify right side
    268,861.38x = 35,876,774,091.26
  5. Step 5: Solve for x
    x = 35,876,774,091.26/268,861.38
  6. Step 6: Final answer
    x = 133,439.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.