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Finding the Fourth Proportional to 301,971.90, 453,424.41 and 162,003.90

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Solution

The fourth proportional to 301,971.90, 453,424.41 and 162,003.90 is: 243,256.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,971.90 : 453,424.41 = 162,003.90 : x
  2. Step 2: Convert to fraction form
    301,971.90/453,424.41 = 162,003.90/x
  3. Step 3: Cross multiply
    301,971.90x = 453,424.41 × 162,003.90
  4. Step 4: Simplify right side
    301,971.90x = 73,456,522,775.20
  5. Step 5: Solve for x
    x = 73,456,522,775.20/301,971.90
  6. Step 6: Final answer
    x = 243,256.15

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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.