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Finding the Fourth Proportional to 247,004, 369,913.96 and 126,744.48

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Solution

The fourth proportional to 247,004, 369,913.96 and 126,744.48 is: 189,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,004 : 369,913.96 = 126,744.48 : x
  2. Step 2: Convert to fraction form
    247,004/369,913.96 = 126,744.48/x
  3. Step 3: Cross multiply
    247,004x = 369,913.96 × 126,744.48
  4. Step 4: Simplify right side
    247,004x = 46,884,552,504.94
  5. Step 5: Solve for x
    x = 46,884,552,504.94/247,004
  6. Step 6: Final answer
    x = 189,812.93

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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.