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Finding the Fourth Proportional to 323,113.22, 484,739.74 and 98,467.72

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Solution

The fourth proportional to 323,113.22, 484,739.74 and 98,467.72 is: 147,722.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,113.22 : 484,739.74 = 98,467.72 : x
  2. Step 2: Convert to fraction form
    323,113.22/484,739.74 = 98,467.72/x
  3. Step 3: Cross multiply
    323,113.22x = 484,739.74 × 98,467.72
  4. Step 4: Simplify right side
    323,113.22x = 47,731,214,567.49
  5. Step 5: Solve for x
    x = 47,731,214,567.49/323,113.22
  6. Step 6: Final answer
    x = 147,722.88

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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.