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Finding the Fourth Proportional to 74,934.78, 103,367.11 and 48,046.98

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Solution

The fourth proportional to 74,934.78, 103,367.11 and 48,046.98 is: 66,277.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,934.78 : 103,367.11 = 48,046.98 : x
  2. Step 2: Convert to fraction form
    74,934.78/103,367.11 = 48,046.98/x
  3. Step 3: Cross multiply
    74,934.78x = 103,367.11 × 48,046.98
  4. Step 4: Simplify right side
    74,934.78x = 4,966,477,644.25
  5. Step 5: Solve for x
    x = 4,966,477,644.25/74,934.78
  6. Step 6: Final answer
    x = 66,277.34

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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.