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Finding the Fourth Proportional to 164,019.20, 246,028.80 and 104,921.60

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Solution

The fourth proportional to 164,019.20, 246,028.80 and 104,921.60 is: 157,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,019.20 : 246,028.80 = 104,921.60 : x
  2. Step 2: Convert to fraction form
    164,019.20/246,028.80 = 104,921.60/x
  3. Step 3: Cross multiply
    164,019.20x = 246,028.80 × 104,921.60
  4. Step 4: Simplify right side
    164,019.20x = 25,813,735,342.08
  5. Step 5: Solve for x
    x = 25,813,735,342.08/164,019.20
  6. Step 6: Final answer
    x = 157,382.40

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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.