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Finding the Fourth Proportional to 186,685.44, 280,144.88 and 75,877.44

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Solution

The fourth proportional to 186,685.44, 280,144.88 and 75,877.44 is: 113,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,685.44 : 280,144.88 = 75,877.44 : x
  2. Step 2: Convert to fraction form
    186,685.44/280,144.88 = 75,877.44/x
  3. Step 3: Cross multiply
    186,685.44x = 280,144.88 × 75,877.44
  4. Step 4: Simplify right side
    186,685.44x = 21,256,676,323.51
  5. Step 5: Solve for x
    x = 21,256,676,323.51/186,685.44
  6. Step 6: Final answer
    x = 113,863.60

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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.