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Finding the Fourth Proportional to 164,074.20, 246,111.30 and 122,602.20

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Solution

The fourth proportional to 164,074.20, 246,111.30 and 122,602.20 is: 183,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,074.20 : 246,111.30 = 122,602.20 : x
  2. Step 2: Convert to fraction form
    164,074.20/246,111.30 = 122,602.20/x
  3. Step 3: Cross multiply
    164,074.20x = 246,111.30 × 122,602.20
  4. Step 4: Simplify right side
    164,074.20x = 30,173,786,824.86
  5. Step 5: Solve for x
    x = 30,173,786,824.86/164,074.20
  6. Step 6: Final answer
    x = 183,903.30

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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.