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Finding the Fourth Proportional to 239,999.25, 360,057.20 and 73,787.25

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Solution

The fourth proportional to 239,999.25, 360,057.20 and 73,787.25 is: 110,698.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,999.25 : 360,057.20 = 73,787.25 : x
  2. Step 2: Convert to fraction form
    239,999.25/360,057.20 = 73,787.25/x
  3. Step 3: Cross multiply
    239,999.25x = 360,057.20 × 73,787.25
  4. Step 4: Simplify right side
    239,999.25x = 26,567,630,630.70
  5. Step 5: Solve for x
    x = 26,567,630,630.70/239,999.25
  6. Step 6: Final answer
    x = 110,698.81

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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.