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Finding the Fourth Proportional to 361,746.54, 542,697.57 and 121,884.29

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Solution

The fourth proportional to 361,746.54, 542,697.57 and 121,884.29 is: 182,852.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,746.54 : 542,697.57 = 121,884.29 : x
  2. Step 2: Convert to fraction form
    361,746.54/542,697.57 = 121,884.29/x
  3. Step 3: Cross multiply
    361,746.54x = 542,697.57 × 121,884.29
  4. Step 4: Simplify right side
    361,746.54x = 66,146,305,290.69
  5. Step 5: Solve for x
    x = 66,146,305,290.69/361,746.54
  6. Step 6: Final answer
    x = 182,852.63

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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.