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Finding the Fourth Proportional to 245,506.44, 368,260.02 and 74,729.64

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Solution

The fourth proportional to 245,506.44, 368,260.02 and 74,729.64 is: 112,094.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,506.44 : 368,260.02 = 74,729.64 : x
  2. Step 2: Convert to fraction form
    245,506.44/368,260.02 = 74,729.64/x
  3. Step 3: Cross multiply
    245,506.44x = 368,260.02 × 74,729.64
  4. Step 4: Simplify right side
    245,506.44x = 27,519,938,720.99
  5. Step 5: Solve for x
    x = 27,519,938,720.99/245,506.44
  6. Step 6: Final answer
    x = 112,094.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.