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Finding the Fourth Proportional to 180,612.66, 270,683.64 and 100,647.44

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Solution

The fourth proportional to 180,612.66, 270,683.64 and 100,647.44 is: 150,840.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,612.66 : 270,683.64 = 100,647.44 : x
  2. Step 2: Convert to fraction form
    180,612.66/270,683.64 = 100,647.44/x
  3. Step 3: Cross multiply
    180,612.66x = 270,683.64 × 100,647.44
  4. Step 4: Simplify right side
    180,612.66x = 27,243,615,415.88
  5. Step 5: Solve for x
    x = 27,243,615,415.88/180,612.66
  6. Step 6: Final answer
    x = 150,840.01

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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.