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Finding the Fourth Proportional to 74,957.33, 103,442.37 and 44,736.77

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Solution

The fourth proportional to 74,957.33, 103,442.37 and 44,736.77 is: 61,737.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,957.33 : 103,442.37 = 44,736.77 : x
  2. Step 2: Convert to fraction form
    74,957.33/103,442.37 = 44,736.77/x
  3. Step 3: Cross multiply
    74,957.33x = 103,442.37 × 44,736.77
  4. Step 4: Simplify right side
    74,957.33x = 4,627,677,514.94
  5. Step 5: Solve for x
    x = 4,627,677,514.94/74,957.33
  6. Step 6: Final answer
    x = 61,737.49

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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.