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Finding the Fourth Proportional to 228,563.92, 315,402.42 and 126,582.04

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Solution

The fourth proportional to 228,563.92, 315,402.42 and 126,582.04 is: 174,674.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,563.92 : 315,402.42 = 126,582.04 : x
  2. Step 2: Convert to fraction form
    228,563.92/315,402.42 = 126,582.04/x
  3. Step 3: Cross multiply
    228,563.92x = 315,402.42 × 126,582.04
  4. Step 4: Simplify right side
    228,563.92x = 39,924,281,744.54
  5. Step 5: Solve for x
    x = 39,924,281,744.54/228,563.92
  6. Step 6: Final answer
    x = 174,674.47

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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.