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Finding the Fourth Proportional to 163,963.77, 245,390.15 and 100,823.89

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Solution

The fourth proportional to 163,963.77, 245,390.15 and 100,823.89 is: 150,894.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,963.77 : 245,390.15 = 100,823.89 : x
  2. Step 2: Convert to fraction form
    163,963.77/245,390.15 = 100,823.89/x
  3. Step 3: Cross multiply
    163,963.77x = 245,390.15 × 100,823.89
  4. Step 4: Simplify right side
    163,963.77x = 24,741,188,263.73
  5. Step 5: Solve for x
    x = 24,741,188,263.73/163,963.77
  6. Step 6: Final answer
    x = 150,894.24

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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.