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Finding the Fourth Proportional to 74,777.94, 103,204.74 and 47,950.74

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Solution

The fourth proportional to 74,777.94, 103,204.74 and 47,950.74 is: 66,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,777.94 : 103,204.74 = 47,950.74 : x
  2. Step 2: Convert to fraction form
    74,777.94/103,204.74 = 47,950.74/x
  3. Step 3: Cross multiply
    74,777.94x = 103,204.74 × 47,950.74
  4. Step 4: Simplify right side
    74,777.94x = 4,948,743,654.51
  5. Step 5: Solve for x
    x = 4,948,743,654.51/74,777.94
  6. Step 6: Final answer
    x = 66,179.19

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1.5x scale

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.