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Finding the Fourth Proportional to 274,559.63, 411,846.73 and 87,571.13

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Solution

The fourth proportional to 274,559.63, 411,846.73 and 87,571.13 is: 131,359.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,559.63 : 411,846.73 = 87,571.13 : x
  2. Step 2: Convert to fraction form
    274,559.63/411,846.73 = 87,571.13/x
  3. Step 3: Cross multiply
    274,559.63x = 411,846.73 × 87,571.13
  4. Step 4: Simplify right side
    274,559.63x = 36,065,881,254.74
  5. Step 5: Solve for x
    x = 36,065,881,254.74/274,559.63
  6. Step 6: Final answer
    x = 131,359.01

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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.