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Finding the Fourth Proportional to 186,076.70, 279,115.05 and 177,523.10

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Solution

The fourth proportional to 186,076.70, 279,115.05 and 177,523.10 is: 266,284.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,076.70 : 279,115.05 = 177,523.10 : x
  2. Step 2: Convert to fraction form
    186,076.70/279,115.05 = 177,523.10/x
  3. Step 3: Cross multiply
    186,076.70x = 279,115.05 × 177,523.10
  4. Step 4: Simplify right side
    186,076.70x = 49,549,368,932.66
  5. Step 5: Solve for x
    x = 49,549,368,932.66/186,076.70
  6. Step 6: Final answer
    x = 266,284.65

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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.