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Finding the Fourth Proportional to 248,632.84, 343,023.33 and 162,640.93

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Solution

The fourth proportional to 248,632.84, 343,023.33 and 162,640.93 is: 224,385.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,632.84 : 343,023.33 = 162,640.93 : x
  2. Step 2: Convert to fraction form
    248,632.84/343,023.33 = 162,640.93/x
  3. Step 3: Cross multiply
    248,632.84x = 343,023.33 × 162,640.93
  4. Step 4: Simplify right side
    248,632.84x = 55,789,633,402.90
  5. Step 5: Solve for x
    x = 55,789,633,402.90/248,632.84
  6. Step 6: Final answer
    x = 224,385.62

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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.