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Finding the Fourth Proportional to 164,908.60, 246,585.30 and 122,918.20

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Solution

The fourth proportional to 164,908.60, 246,585.30 and 122,918.20 is: 183,797.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,908.60 : 246,585.30 = 122,918.20 : x
  2. Step 2: Convert to fraction form
    164,908.60/246,585.30 = 122,918.20/x
  3. Step 3: Cross multiply
    164,908.60x = 246,585.30 × 122,918.20
  4. Step 4: Simplify right side
    164,908.60x = 30,309,821,222.46
  5. Step 5: Solve for x
    x = 30,309,821,222.46/164,908.60
  6. Step 6: Final answer
    x = 183,797.70

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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.