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Finding the Fourth Proportional to 186,295.48, 279,359.17 and 53,144.03

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Solution

The fourth proportional to 186,295.48, 279,359.17 and 53,144.03 is: 79,692.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,295.48 : 279,359.17 = 53,144.03 : x
  2. Step 2: Convert to fraction form
    186,295.48/279,359.17 = 53,144.03/x
  3. Step 3: Cross multiply
    186,295.48x = 279,359.17 × 53,144.03
  4. Step 4: Simplify right side
    186,295.48x = 14,846,272,111.26
  5. Step 5: Solve for x
    x = 14,846,272,111.26/186,295.48
  6. Step 6: Final answer
    x = 79,692.07

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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.