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Finding the Fourth Proportional to 186,284.71, 279,446.96 and 79,679.70

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Solution

The fourth proportional to 186,284.71, 279,446.96 and 79,679.70 is: 119,528.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,284.71 : 279,446.96 = 79,679.70 : x
  2. Step 2: Convert to fraction form
    186,284.71/279,446.96 = 79,679.70/x
  3. Step 3: Cross multiply
    186,284.71x = 279,446.96 × 79,679.70
  4. Step 4: Simplify right side
    186,284.71x = 22,266,250,137.91
  5. Step 5: Solve for x
    x = 22,266,250,137.91/186,284.71
  6. Step 6: Final answer
    x = 119,528.06

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1.5x scale

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.