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Finding the Fourth Proportional to 258,442.76, 356,598.73 and 150,992.04

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Solution

The fourth proportional to 258,442.76, 356,598.73 and 150,992.04 is: 208,338.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,442.76 : 356,598.73 = 150,992.04 : x
  2. Step 2: Convert to fraction form
    258,442.76/356,598.73 = 150,992.04/x
  3. Step 3: Cross multiply
    258,442.76x = 356,598.73 × 150,992.04
  4. Step 4: Simplify right side
    258,442.76x = 53,843,569,704.11
  5. Step 5: Solve for x
    x = 53,843,569,704.11/258,442.76
  6. Step 6: Final answer
    x = 208,338.47

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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.