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Finding the Fourth Proportional to 212,076.83, 318,119.33 and 169,760.48

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Solution

The fourth proportional to 212,076.83, 318,119.33 and 169,760.48 is: 254,643.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,076.83 : 318,119.33 = 169,760.48 : x
  2. Step 2: Convert to fraction form
    212,076.83/318,119.33 = 169,760.48/x
  3. Step 3: Cross multiply
    212,076.83x = 318,119.33 × 169,760.48
  4. Step 4: Simplify right side
    212,076.83x = 54,004,088,991.88
  5. Step 5: Solve for x
    x = 54,004,088,991.88/212,076.83
  6. Step 6: Final answer
    x = 254,643.98

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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.