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Finding the Fourth Proportional to 168,216.32, 252,312.32 and 43,553.28

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Solution

The fourth proportional to 168,216.32, 252,312.32 and 43,553.28 is: 65,326.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,216.32 : 252,312.32 = 43,553.28 : x
  2. Step 2: Convert to fraction form
    168,216.32/252,312.32 = 43,553.28/x
  3. Step 3: Cross multiply
    168,216.32x = 252,312.32 × 43,553.28
  4. Step 4: Simplify right side
    168,216.32x = 10,989,029,120.41
  5. Step 5: Solve for x
    x = 10,989,029,120.41/168,216.32
  6. Step 6: Final answer
    x = 65,326.77

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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.