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Finding the Fourth Proportional to 301,020.42, 451,530.60 and 101,324.06

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Solution

The fourth proportional to 301,020.42, 451,530.60 and 101,324.06 is: 151,986.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,020.42 : 451,530.60 = 101,324.06 : x
  2. Step 2: Convert to fraction form
    301,020.42/451,530.60 = 101,324.06/x
  3. Step 3: Cross multiply
    301,020.42x = 451,530.60 × 101,324.06
  4. Step 4: Simplify right side
    301,020.42x = 45,750,913,606.24
  5. Step 5: Solve for x
    x = 45,750,913,606.24/301,020.42
  6. Step 6: Final answer
    x = 151,986.08

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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.