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Finding the Fourth Proportional to 216,006.20, 324,009.30 and 181,014.20

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Solution

The fourth proportional to 216,006.20, 324,009.30 and 181,014.20 is: 271,521.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,006.20 : 324,009.30 = 181,014.20 : x
  2. Step 2: Convert to fraction form
    216,006.20/324,009.30 = 181,014.20/x
  3. Step 3: Cross multiply
    216,006.20x = 324,009.30 × 181,014.20
  4. Step 4: Simplify right side
    216,006.20x = 58,650,284,232.06
  5. Step 5: Solve for x
    x = 58,650,284,232.06/216,006.20
  6. Step 6: Final answer
    x = 271,521.30

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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.