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Finding the Fourth Proportional to 186,411.78, 279,578.39 and 60,063.53

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Solution

The fourth proportional to 186,411.78, 279,578.39 and 60,063.53 is: 90,082.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,411.78 : 279,578.39 = 60,063.53 : x
  2. Step 2: Convert to fraction form
    186,411.78/279,578.39 = 60,063.53/x
  3. Step 3: Cross multiply
    186,411.78x = 279,578.39 × 60,063.53
  4. Step 4: Simplify right side
    186,411.78x = 16,792,463,316.91
  5. Step 5: Solve for x
    x = 16,792,463,316.91/186,411.78
  6. Step 6: Final answer
    x = 90,082.63

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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.