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Finding the Fourth Proportional to 164,069.70, 246,104.55 and 104,972.10

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Solution

The fourth proportional to 164,069.70, 246,104.55 and 104,972.10 is: 157,458.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,069.70 : 246,104.55 = 104,972.10 : x
  2. Step 2: Convert to fraction form
    164,069.70/246,104.55 = 104,972.10/x
  3. Step 3: Cross multiply
    164,069.70x = 246,104.55 × 104,972.10
  4. Step 4: Simplify right side
    164,069.70x = 25,834,111,433.06
  5. Step 5: Solve for x
    x = 25,834,111,433.06/164,069.70
  6. Step 6: Final answer
    x = 157,458.15

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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.