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Finding the Fourth Proportional to 325,295.89, 487,822.47 and 112,003.54

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Solution

The fourth proportional to 325,295.89, 487,822.47 and 112,003.54 is: 167,963.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,295.89 : 487,822.47 = 112,003.54 : x
  2. Step 2: Convert to fraction form
    325,295.89/487,822.47 = 112,003.54/x
  3. Step 3: Cross multiply
    325,295.89x = 487,822.47 × 112,003.54
  4. Step 4: Simplify right side
    325,295.89x = 54,637,843,531.54
  5. Step 5: Solve for x
    x = 54,637,843,531.54/325,295.89
  6. Step 6: Final answer
    x = 167,963.52

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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.