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Finding the Fourth Proportional to 164,443.80, 246,665.70 and 70,949.55

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Solution

The fourth proportional to 164,443.80, 246,665.70 and 70,949.55 is: 106,424.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,443.80 : 246,665.70 = 70,949.55 : x
  2. Step 2: Convert to fraction form
    164,443.80/246,665.70 = 70,949.55/x
  3. Step 3: Cross multiply
    164,443.80x = 246,665.70 × 70,949.55
  4. Step 4: Simplify right side
    164,443.80x = 17,500,820,415.44
  5. Step 5: Solve for x
    x = 17,500,820,415.44/164,443.80
  6. Step 6: Final answer
    x = 106,424.33

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1.5x scale

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.