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Finding the Fourth Proportional to 262,063.62, 393,182.91 and 104,249.70

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Solution

The fourth proportional to 262,063.62, 393,182.91 and 104,249.70 is: 156,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,063.62 : 393,182.91 = 104,249.70 : x
  2. Step 2: Convert to fraction form
    262,063.62/393,182.91 = 104,249.70/x
  3. Step 3: Cross multiply
    262,063.62x = 393,182.91 × 104,249.70
  4. Step 4: Simplify right side
    262,063.62x = 40,989,200,412.63
  5. Step 5: Solve for x
    x = 40,989,200,412.63/262,063.62
  6. Step 6: Final answer
    x = 156,409.35

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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.