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Finding the Fourth Proportional to 321,886.51, 483,004.73 and 135,029.23

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Solution

The fourth proportional to 321,886.51, 483,004.73 and 135,029.23 is: 202,617.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,886.51 : 483,004.73 = 135,029.23 : x
  2. Step 2: Convert to fraction form
    321,886.51/483,004.73 = 135,029.23/x
  3. Step 3: Cross multiply
    321,886.51x = 483,004.73 × 135,029.23
  4. Step 4: Simplify right side
    321,886.51x = 65,219,756,778.26
  5. Step 5: Solve for x
    x = 65,219,756,778.26/321,886.51
  6. Step 6: Final answer
    x = 202,617.24

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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.