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Finding the Fourth Proportional to 186,295.73, 279,359.55 and 53,144.28

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Solution

The fourth proportional to 186,295.73, 279,359.55 and 53,144.28 is: 79,692.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,295.73 : 279,359.55 = 53,144.28 : x
  2. Step 2: Convert to fraction form
    186,295.73/279,359.55 = 53,144.28/x
  3. Step 3: Cross multiply
    186,295.73x = 279,359.55 × 53,144.28
  4. Step 4: Simplify right side
    186,295.73x = 14,846,362,145.87
  5. Step 5: Solve for x
    x = 14,846,362,145.87/186,295.73
  6. Step 6: Final answer
    x = 79,692.45

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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.