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Finding the Fourth Proportional to 164,049.20, 246,073.80 and 143,313.20

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Solution

The fourth proportional to 164,049.20, 246,073.80 and 143,313.20 is: 214,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,049.20 : 246,073.80 = 143,313.20 : x
  2. Step 2: Convert to fraction form
    164,049.20/246,073.80 = 143,313.20/x
  3. Step 3: Cross multiply
    164,049.20x = 246,073.80 × 143,313.20
  4. Step 4: Simplify right side
    164,049.20x = 35,265,623,714.16
  5. Step 5: Solve for x
    x = 35,265,623,714.16/164,049.20
  6. Step 6: Final answer
    x = 214,969.80

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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.