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Finding the Fourth Proportional to 245,505.44, 368,258.52 and 74,728.64

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Solution

The fourth proportional to 245,505.44, 368,258.52 and 74,728.64 is: 112,093.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,505.44 : 368,258.52 = 74,728.64 : x
  2. Step 2: Convert to fraction form
    245,505.44/368,258.52 = 74,728.64/x
  3. Step 3: Cross multiply
    245,505.44x = 368,258.52 × 74,728.64
  4. Step 4: Simplify right side
    245,505.44x = 27,519,458,368.01
  5. Step 5: Solve for x
    x = 27,519,458,368.01/245,505.44
  6. Step 6: Final answer
    x = 112,093.07

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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.