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Finding the Fourth Proportional to 74,325.44, 111,440.72 and 48,995.72

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Solution

The fourth proportional to 74,325.44, 111,440.72 and 48,995.72 is: 73,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,325.44 : 111,440.72 = 48,995.72 : x
  2. Step 2: Convert to fraction form
    74,325.44/111,440.72 = 48,995.72/x
  3. Step 3: Cross multiply
    74,325.44x = 111,440.72 × 48,995.72
  4. Step 4: Simplify right side
    74,325.44x = 5,460,117,511.54
  5. Step 5: Solve for x
    x = 5,460,117,511.54/74,325.44
  6. Step 6: Final answer
    x = 73,462.30

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1.5x scale

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.