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Finding the Fourth Proportional to 325,750.46, 488,618.76 and 89,093.18

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Solution

The fourth proportional to 325,750.46, 488,618.76 and 89,093.18 is: 133,637.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,750.46 : 488,618.76 = 89,093.18 : x
  2. Step 2: Convert to fraction form
    325,750.46/488,618.76 = 89,093.18/x
  3. Step 3: Cross multiply
    325,750.46x = 488,618.76 × 89,093.18
  4. Step 4: Simplify right side
    325,750.46x = 43,532,599,136.06
  5. Step 5: Solve for x
    x = 43,532,599,136.06/325,750.46
  6. Step 6: Final answer
    x = 133,637.87

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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.