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Finding the Fourth Proportional to 323,395.88, 485,164.80 and 95,673.68

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Solution

The fourth proportional to 323,395.88, 485,164.80 and 95,673.68 is: 143,531.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,395.88 : 485,164.80 = 95,673.68 : x
  2. Step 2: Convert to fraction form
    323,395.88/485,164.80 = 95,673.68/x
  3. Step 3: Cross multiply
    323,395.88x = 485,164.80 × 95,673.68
  4. Step 4: Simplify right side
    323,395.88x = 46,417,501,822.46
  5. Step 5: Solve for x
    x = 46,417,501,822.46/323,395.88
  6. Step 6: Final answer
    x = 143,531.52

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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.