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Finding the Fourth Proportional to 201,424.60, 301,772.40 and 96,011.20

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Solution

The fourth proportional to 201,424.60, 301,772.40 and 96,011.20 is: 143,843.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,424.60 : 301,772.40 = 96,011.20 : x
  2. Step 2: Convert to fraction form
    201,424.60/301,772.40 = 96,011.20/x
  3. Step 3: Cross multiply
    201,424.60x = 301,772.40 × 96,011.20
  4. Step 4: Simplify right side
    201,424.60x = 28,973,530,250.88
  5. Step 5: Solve for x
    x = 28,973,530,250.88/201,424.60
  6. Step 6: Final answer
    x = 143,843.06

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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.