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Finding the Fourth Proportional to 248,665.84, 372,998.36 and 115,473.24

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Solution

The fourth proportional to 248,665.84, 372,998.36 and 115,473.24 is: 173,209.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,665.84 : 372,998.36 = 115,473.24 : x
  2. Step 2: Convert to fraction form
    248,665.84/372,998.36 = 115,473.24/x
  3. Step 3: Cross multiply
    248,665.84x = 372,998.36 × 115,473.24
  4. Step 4: Simplify right side
    248,665.84x = 43,071,329,143.89
  5. Step 5: Solve for x
    x = 43,071,329,143.89/248,665.84
  6. Step 6: Final answer
    x = 173,209.67

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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.