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Finding the Fourth Proportional to 268,861.23, 403,352.61 and 88,946.24

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Solution

The fourth proportional to 268,861.23, 403,352.61 and 88,946.24 is: 133,439.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,861.23 : 403,352.61 = 88,946.24 : x
  2. Step 2: Convert to fraction form
    268,861.23/403,352.61 = 88,946.24/x
  3. Step 3: Cross multiply
    268,861.23x = 403,352.61 × 88,946.24
  4. Step 4: Simplify right side
    268,861.23x = 35,876,696,036.92
  5. Step 5: Solve for x
    x = 35,876,696,036.92/268,861.23
  6. Step 6: Final answer
    x = 133,439.46

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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.