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Finding the Fourth Proportional to 77,802.52, 107,367.92 and 44,268.52

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Solution

The fourth proportional to 77,802.52, 107,367.92 and 44,268.52 is: 61,090.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,802.52 : 107,367.92 = 44,268.52 : x
  2. Step 2: Convert to fraction form
    77,802.52/107,367.92 = 44,268.52/x
  3. Step 3: Cross multiply
    77,802.52x = 107,367.92 × 44,268.52
  4. Step 4: Simplify right side
    77,802.52x = 4,753,018,913.88
  5. Step 5: Solve for x
    x = 4,753,018,913.88/77,802.52
  6. Step 6: Final answer
    x = 61,090.81

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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.