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Finding the Fourth Proportional to 186,158.94, 279,355.05 and 75,350.94

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Solution

The fourth proportional to 186,158.94, 279,355.05 and 75,350.94 is: 113,073.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,158.94 : 279,355.05 = 75,350.94 : x
  2. Step 2: Convert to fraction form
    186,158.94/279,355.05 = 75,350.94/x
  3. Step 3: Cross multiply
    186,158.94x = 279,355.05 × 75,350.94
  4. Step 4: Simplify right side
    186,158.94x = 21,049,665,611.25
  5. Step 5: Solve for x
    x = 21,049,665,611.25/186,158.94
  6. Step 6: Final answer
    x = 113,073.62

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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.