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Finding the Fourth Proportional to 247,161.26, 370,770.71 and 89,463.98

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Solution

The fourth proportional to 247,161.26, 370,770.71 and 89,463.98 is: 134,206.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,161.26 : 370,770.71 = 89,463.98 : x
  2. Step 2: Convert to fraction form
    247,161.26/370,770.71 = 89,463.98/x
  3. Step 3: Cross multiply
    247,161.26x = 370,770.71 × 89,463.98
  4. Step 4: Simplify right side
    247,161.26x = 33,170,623,384.03
  5. Step 5: Solve for x
    x = 33,170,623,384.03/247,161.26
  6. Step 6: Final answer
    x = 134,206.40

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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.