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Finding the Fourth Proportional to 74,333.73, 102,615.45 and 49,846.22

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Solution

The fourth proportional to 74,333.73, 102,615.45 and 49,846.22 is: 68,811.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,333.73 : 102,615.45 = 49,846.22 : x
  2. Step 2: Convert to fraction form
    74,333.73/102,615.45 = 49,846.22/x
  3. Step 3: Cross multiply
    74,333.73x = 102,615.45 × 49,846.22
  4. Step 4: Simplify right side
    74,333.73x = 5,114,992,296.10
  5. Step 5: Solve for x
    x = 5,114,992,296.10/74,333.73
  6. Step 6: Final answer
    x = 68,811.19

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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.