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Finding the Fourth Proportional to 163,303.28, 245,049.44 and 68,525

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Solution

The fourth proportional to 163,303.28, 245,049.44 and 68,525 is: 102,827.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,303.28 : 245,049.44 = 68,525 : x
  2. Step 2: Convert to fraction form
    163,303.28/245,049.44 = 68,525/x
  3. Step 3: Cross multiply
    163,303.28x = 245,049.44 × 68,525
  4. Step 4: Simplify right side
    163,303.28x = 16,792,012,876
  5. Step 5: Solve for x
    x = 16,792,012,876/163,303.28
  6. Step 6: Final answer
    x = 102,827.16

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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.