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Finding the Fourth Proportional to 306,376.93, 459,568.79 and 93,179.57

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Solution

The fourth proportional to 306,376.93, 459,568.79 and 93,179.57 is: 139,770.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,376.93 : 459,568.79 = 93,179.57 : x
  2. Step 2: Convert to fraction form
    306,376.93/459,568.79 = 93,179.57/x
  3. Step 3: Cross multiply
    306,376.93x = 459,568.79 × 93,179.57
  4. Step 4: Simplify right side
    306,376.93x = 42,822,419,823.30
  5. Step 5: Solve for x
    x = 42,822,419,823.30/306,376.93
  6. Step 6: Final answer
    x = 139,770.38

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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.