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Finding the Fourth Proportional to 163,366.62, 245,148.12 and 69,872.46

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Solution

The fourth proportional to 163,366.62, 245,148.12 and 69,872.46 is: 104,850.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,366.62 : 245,148.12 = 69,872.46 : x
  2. Step 2: Convert to fraction form
    163,366.62/245,148.12 = 69,872.46/x
  3. Step 3: Cross multiply
    163,366.62x = 245,148.12 × 69,872.46
  4. Step 4: Simplify right side
    163,366.62x = 17,129,102,208.78
  5. Step 5: Solve for x
    x = 17,129,102,208.78/163,366.62
  6. Step 6: Final answer
    x = 104,850.69

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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.