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Finding the Fourth Proportional to 276,881.22, 415,335.02 and 134,556.93

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Solution

The fourth proportional to 276,881.22, 415,335.02 and 134,556.93 is: 201,841.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,881.22 : 415,335.02 = 134,556.93 : x
  2. Step 2: Convert to fraction form
    276,881.22/415,335.02 = 134,556.93/x
  3. Step 3: Cross multiply
    276,881.22x = 415,335.02 × 134,556.93
  4. Step 4: Simplify right side
    276,881.22x = 55,886,205,212.69
  5. Step 5: Solve for x
    x = 55,886,205,212.69/276,881.22
  6. Step 6: Final answer
    x = 201,841.80

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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.