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Finding the Fourth Proportional to 186,191.37, 279,330.80 and 53,073.54

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Solution

The fourth proportional to 186,191.37, 279,330.80 and 53,073.54 is: 79,622.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,191.37 : 279,330.80 = 53,073.54 : x
  2. Step 2: Convert to fraction form
    186,191.37/279,330.80 = 53,073.54/x
  3. Step 3: Cross multiply
    186,191.37x = 279,330.80 × 53,073.54
  4. Step 4: Simplify right side
    186,191.37x = 14,825,074,121.66
  5. Step 5: Solve for x
    x = 14,825,074,121.66/186,191.37
  6. Step 6: Final answer
    x = 79,622.78

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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.