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Finding the Fourth Proportional to 164,420.40, 246,630.60 and 53,612.40

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Solution

The fourth proportional to 164,420.40, 246,630.60 and 53,612.40 is: 80,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,420.40 : 246,630.60 = 53,612.40 : x
  2. Step 2: Convert to fraction form
    164,420.40/246,630.60 = 53,612.40/x
  3. Step 3: Cross multiply
    164,420.40x = 246,630.60 × 53,612.40
  4. Step 4: Simplify right side
    164,420.40x = 13,222,458,379.44
  5. Step 5: Solve for x
    x = 13,222,458,379.44/164,420.40
  6. Step 6: Final answer
    x = 80,418.60

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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.