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Finding the Fourth Proportional to 186,683.44, 280,141.88 and 75,875.44

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Solution

The fourth proportional to 186,683.44, 280,141.88 and 75,875.44 is: 113,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,683.44 : 280,141.88 = 75,875.44 : x
  2. Step 2: Convert to fraction form
    186,683.44/280,141.88 = 75,875.44/x
  3. Step 3: Cross multiply
    186,683.44x = 280,141.88 × 75,875.44
  4. Step 4: Simplify right side
    186,683.44x = 21,255,888,407.43
  5. Step 5: Solve for x
    x = 21,255,888,407.43/186,683.44
  6. Step 6: Final answer
    x = 113,860.60

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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.