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Finding the Fourth Proportional to 274,240.09, 411,411.63 and 124,490.89

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Solution

The fourth proportional to 274,240.09, 411,411.63 and 124,490.89 is: 186,759.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,240.09 : 411,411.63 = 124,490.89 : x
  2. Step 2: Convert to fraction form
    274,240.09/411,411.63 = 124,490.89/x
  3. Step 3: Cross multiply
    274,240.09x = 411,411.63 × 124,490.89
  4. Step 4: Simplify right side
    274,240.09x = 51,216,999,975.05
  5. Step 5: Solve for x
    x = 51,216,999,975.05/274,240.09
  6. Step 6: Final answer
    x = 186,759.71

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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.