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Finding the Fourth Proportional to 186,189.87, 279,238.59 and 53,071.27

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Solution

The fourth proportional to 186,189.87, 279,238.59 and 53,071.27 is: 79,593.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,189.87 : 279,238.59 = 53,071.27 : x
  2. Step 2: Convert to fraction form
    186,189.87/279,238.59 = 53,071.27/x
  3. Step 3: Cross multiply
    186,189.87x = 279,238.59 × 53,071.27
  4. Step 4: Simplify right side
    186,189.87x = 14,819,546,604.31
  5. Step 5: Solve for x
    x = 14,819,546,604.31/186,189.87
  6. Step 6: Final answer
    x = 79,593.73

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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.