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Finding the Fourth Proportional to 154,804.76, 232,239.98 and 49,697.56

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Solution

The fourth proportional to 154,804.76, 232,239.98 and 49,697.56 is: 74,556.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,804.76 : 232,239.98 = 49,697.56 : x
  2. Step 2: Convert to fraction form
    154,804.76/232,239.98 = 49,697.56/x
  3. Step 3: Cross multiply
    154,804.76x = 232,239.98 × 49,697.56
  4. Step 4: Simplify right side
    154,804.76x = 11,541,760,340.45
  5. Step 5: Solve for x
    x = 11,541,760,340.45/154,804.76
  6. Step 6: Final answer
    x = 74,556.88

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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.