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Finding the Fourth Proportional to 74,994.79, 103,494.44 and 44,774.47

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Solution

The fourth proportional to 74,994.79, 103,494.44 and 44,774.47 is: 61,789.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,994.79 : 103,494.44 = 44,774.47 : x
  2. Step 2: Convert to fraction form
    74,994.79/103,494.44 = 44,774.47/x
  3. Step 3: Cross multiply
    74,994.79x = 103,494.44 × 44,774.47
  4. Step 4: Simplify right side
    74,994.79x = 4,633,908,475.07
  5. Step 5: Solve for x
    x = 4,633,908,475.07/74,994.79
  6. Step 6: Final answer
    x = 61,789.74

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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.