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Finding the Fourth Proportional to 77,795.15, 107,357.74 and 44,261.15

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Solution

The fourth proportional to 77,795.15, 107,357.74 and 44,261.15 is: 61,080.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,795.15 : 107,357.74 = 44,261.15 : x
  2. Step 2: Convert to fraction form
    77,795.15/107,357.74 = 44,261.15/x
  3. Step 3: Cross multiply
    77,795.15x = 107,357.74 × 44,261.15
  4. Step 4: Simplify right side
    77,795.15x = 4,751,776,386.36
  5. Step 5: Solve for x
    x = 4,751,776,386.36/77,795.15
  6. Step 6: Final answer
    x = 61,080.63

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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.