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Finding the Fourth Proportional to 220,102.10, 330,153.15 and 164,114.90

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Solution

The fourth proportional to 220,102.10, 330,153.15 and 164,114.90 is: 246,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,102.10 : 330,153.15 = 164,114.90 : x
  2. Step 2: Convert to fraction form
    220,102.10/330,153.15 = 164,114.90/x
  3. Step 3: Cross multiply
    220,102.10x = 330,153.15 × 164,114.90
  4. Step 4: Simplify right side
    220,102.10x = 54,183,051,196.94
  5. Step 5: Solve for x
    x = 54,183,051,196.94/220,102.10
  6. Step 6: Final answer
    x = 246,172.35

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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.