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Finding the Fourth Proportional to 274,446.26, 411,690.22 and 84,925.79

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Solution

The fourth proportional to 274,446.26, 411,690.22 and 84,925.79 is: 127,395.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,446.26 : 411,690.22 = 84,925.79 : x
  2. Step 2: Convert to fraction form
    274,446.26/411,690.22 = 84,925.79/x
  3. Step 3: Cross multiply
    274,446.26x = 411,690.22 × 84,925.79
  4. Step 4: Simplify right side
    274,446.26x = 34,963,117,838.58
  5. Step 5: Solve for x
    x = 34,963,117,838.58/274,446.26
  6. Step 6: Final answer
    x = 127,395.13

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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.