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Finding the Fourth Proportional to 268,450.08, 402,733.44 and 81,476.16

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Solution

The fourth proportional to 268,450.08, 402,733.44 and 81,476.16 is: 122,231.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,450.08 : 402,733.44 = 81,476.16 : x
  2. Step 2: Convert to fraction form
    268,450.08/402,733.44 = 81,476.16/x
  3. Step 3: Cross multiply
    268,450.08x = 402,733.44 × 81,476.16
  4. Step 4: Simplify right side
    268,450.08x = 32,813,174,194.79
  5. Step 5: Solve for x
    x = 32,813,174,194.79/268,450.08
  6. Step 6: Final answer
    x = 122,231.94

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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.