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Finding the Fourth Proportional to 186,668.24, 279,978.50 and 60,295.34

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Solution

The fourth proportional to 186,668.24, 279,978.50 and 60,295.34 is: 90,435.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,668.24 : 279,978.50 = 60,295.34 : x
  2. Step 2: Convert to fraction form
    186,668.24/279,978.50 = 60,295.34/x
  3. Step 3: Cross multiply
    186,668.24x = 279,978.50 × 60,295.34
  4. Step 4: Simplify right side
    186,668.24x = 16,881,399,700.87
  5. Step 5: Solve for x
    x = 16,881,399,700.87/186,668.24
  6. Step 6: Final answer
    x = 90,435.31

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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.