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Finding the Fourth Proportional to 164,612.20, 246,918.30 and 111,468.10

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Solution

The fourth proportional to 164,612.20, 246,918.30 and 111,468.10 is: 167,202.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,612.20 : 246,918.30 = 111,468.10 : x
  2. Step 2: Convert to fraction form
    164,612.20/246,918.30 = 111,468.10/x
  3. Step 3: Cross multiply
    164,612.20x = 246,918.30 × 111,468.10
  4. Step 4: Simplify right side
    164,612.20x = 27,523,513,756.23
  5. Step 5: Solve for x
    x = 27,523,513,756.23/164,612.20
  6. Step 6: Final answer
    x = 167,202.15

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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.