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Finding the Fourth Proportional to 274,363.97, 411,504.44 and 74,700.10

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Solution

The fourth proportional to 274,363.97, 411,504.44 and 74,700.10 is: 112,038.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,363.97 : 411,504.44 = 74,700.10 : x
  2. Step 2: Convert to fraction form
    274,363.97/411,504.44 = 74,700.10/x
  3. Step 3: Cross multiply
    274,363.97x = 411,504.44 × 74,700.10
  4. Step 4: Simplify right side
    274,363.97x = 30,739,422,117.11
  5. Step 5: Solve for x
    x = 30,739,422,117.11/274,363.97
  6. Step 6: Final answer
    x = 112,038.84

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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.