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Finding the Fourth Proportional to 163,311.15, 244,903.55 and 63,458.20

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Solution

The fourth proportional to 163,311.15, 244,903.55 and 63,458.20 is: 95,162.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,311.15 : 244,903.55 = 63,458.20 : x
  2. Step 2: Convert to fraction form
    163,311.15/244,903.55 = 63,458.20/x
  3. Step 3: Cross multiply
    163,311.15x = 244,903.55 × 63,458.20
  4. Step 4: Simplify right side
    163,311.15x = 15,541,137,527.06
  5. Step 5: Solve for x
    x = 15,541,137,527.06/163,311.15
  6. Step 6: Final answer
    x = 95,162.75

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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.