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Finding the Fourth Proportional to 186,188.87, 279,237.09 and 53,070.27

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Solution

The fourth proportional to 186,188.87, 279,237.09 and 53,070.27 is: 79,592.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,188.87 : 279,237.09 = 53,070.27 : x
  2. Step 2: Convert to fraction form
    186,188.87/279,237.09 = 53,070.27/x
  3. Step 3: Cross multiply
    186,188.87x = 279,237.09 × 53,070.27
  4. Step 4: Simplify right side
    186,188.87x = 14,819,187,760.31
  5. Step 5: Solve for x
    x = 14,819,187,760.31/186,188.87
  6. Step 6: Final answer
    x = 79,592.23

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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.