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Finding the Fourth Proportional to 74,216.25, 102,418.79 and 44,408.25

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Solution

The fourth proportional to 74,216.25, 102,418.79 and 44,408.25 is: 61,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,216.25 : 102,418.79 = 44,408.25 : x
  2. Step 2: Convert to fraction form
    74,216.25/102,418.79 = 44,408.25/x
  3. Step 3: Cross multiply
    74,216.25x = 102,418.79 × 44,408.25
  4. Step 4: Simplify right side
    74,216.25x = 4,548,239,008.98
  5. Step 5: Solve for x
    x = 4,548,239,008.98/74,216.25
  6. Step 6: Final answer
    x = 61,283.60

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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.