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Finding the Fourth Proportional to 77,576.06, 107,055.07 and 44,042.06

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Solution

The fourth proportional to 77,576.06, 107,055.07 and 44,042.06 is: 60,778.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,576.06 : 107,055.07 = 44,042.06 : x
  2. Step 2: Convert to fraction form
    77,576.06/107,055.07 = 44,042.06/x
  3. Step 3: Cross multiply
    77,576.06x = 107,055.07 × 44,042.06
  4. Step 4: Simplify right side
    77,576.06x = 4,714,925,973.78
  5. Step 5: Solve for x
    x = 4,714,925,973.78/77,576.06
  6. Step 6: Final answer
    x = 60,778.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.