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Finding the Fourth Proportional to 274,081.01, 378,264.47 and 160,903.76

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Solution

The fourth proportional to 274,081.01, 378,264.47 and 160,903.76 is: 222,066.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,081.01 : 378,264.47 = 160,903.76 : x
  2. Step 2: Convert to fraction form
    274,081.01/378,264.47 = 160,903.76/x
  3. Step 3: Cross multiply
    274,081.01x = 378,264.47 × 160,903.76
  4. Step 4: Simplify right side
    274,081.01x = 60,864,172,801.57
  5. Step 5: Solve for x
    x = 60,864,172,801.57/274,081.01
  6. Step 6: Final answer
    x = 222,066.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.