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Finding the Fourth Proportional to 186,617.86, 257,524.99 and 104,943.78

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Solution

The fourth proportional to 186,617.86, 257,524.99 and 104,943.78 is: 144,818.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,617.86 : 257,524.99 = 104,943.78 : x
  2. Step 2: Convert to fraction form
    186,617.86/257,524.99 = 104,943.78/x
  3. Step 3: Cross multiply
    186,617.86x = 257,524.99 × 104,943.78
  4. Step 4: Simplify right side
    186,617.86x = 27,025,645,632.70
  5. Step 5: Solve for x
    x = 27,025,645,632.70/186,617.86
  6. Step 6: Final answer
    x = 144,818.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.