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Finding the Fourth Proportional to 74,645.32, 102,964.26 and 44,410.20

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Solution

The fourth proportional to 74,645.32, 102,964.26 and 44,410.20 is: 61,258.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,645.32 : 102,964.26 = 44,410.20 : x
  2. Step 2: Convert to fraction form
    74,645.32/102,964.26 = 44,410.20/x
  3. Step 3: Cross multiply
    74,645.32x = 102,964.26 × 44,410.20
  4. Step 4: Simplify right side
    74,645.32x = 4,572,663,379.45
  5. Step 5: Solve for x
    x = 4,572,663,379.45/74,645.32
  6. Step 6: Final answer
    x = 61,258.54

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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.