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Finding the Fourth Proportional to 301,989.04, 453,333.48 and 162,021.04

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Solution

The fourth proportional to 301,989.04, 453,333.48 and 162,021.04 is: 243,219.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,989.04 : 453,333.48 = 162,021.04 : x
  2. Step 2: Convert to fraction form
    301,989.04/453,333.48 = 162,021.04/x
  3. Step 3: Cross multiply
    301,989.04x = 453,333.48 × 162,021.04
  4. Step 4: Simplify right side
    301,989.04x = 73,449,561,896.42
  5. Step 5: Solve for x
    x = 73,449,561,896.42/301,989.04
  6. Step 6: Final answer
    x = 243,219.30

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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.