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Finding the Fourth Proportional to 186,285, 279,453.78 and 59,882.88

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Solution

The fourth proportional to 186,285, 279,453.78 and 59,882.88 is: 89,832.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,285 : 279,453.78 = 59,882.88 : x
  2. Step 2: Convert to fraction form
    186,285/279,453.78 = 59,882.88/x
  3. Step 3: Cross multiply
    186,285x = 279,453.78 × 59,882.88
  4. Step 4: Simplify right side
    186,285x = 16,734,497,173.29
  5. Step 5: Solve for x
    x = 16,734,497,173.29/186,285
  6. Step 6: Final answer
    x = 89,832.77

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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.