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Finding the Fourth Proportional to 163,812.24, 245,621.40 and 63,855.74

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Solution

The fourth proportional to 163,812.24, 245,621.40 and 63,855.74 is: 95,745.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,812.24 : 245,621.40 = 63,855.74 : x
  2. Step 2: Convert to fraction form
    163,812.24/245,621.40 = 63,855.74/x
  3. Step 3: Cross multiply
    163,812.24x = 245,621.40 × 63,855.74
  4. Step 4: Simplify right side
    163,812.24x = 15,684,336,256.84
  5. Step 5: Solve for x
    x = 15,684,336,256.84/163,812.24
  6. Step 6: Final answer
    x = 95,745.81

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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.