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Finding the Fourth Proportional to 274,502.21, 411,674.10 and 94,580.30

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Solution

The fourth proportional to 274,502.21, 411,674.10 and 94,580.30 is: 141,843.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,502.21 : 411,674.10 = 94,580.30 : x
  2. Step 2: Convert to fraction form
    274,502.21/411,674.10 = 94,580.30/x
  3. Step 3: Cross multiply
    274,502.21x = 411,674.10 × 94,580.30
  4. Step 4: Simplify right side
    274,502.21x = 38,936,259,880.23
  5. Step 5: Solve for x
    x = 38,936,259,880.23/274,502.21
  6. Step 6: Final answer
    x = 141,843.16

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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.