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Finding the Fourth Proportional to 74,321.70, 102,557.16 and 44,101.81

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Solution

The fourth proportional to 74,321.70, 102,557.16 and 44,101.81 is: 60,856.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,321.70 : 102,557.16 = 44,101.81 : x
  2. Step 2: Convert to fraction form
    74,321.70/102,557.16 = 44,101.81/x
  3. Step 3: Cross multiply
    74,321.70x = 102,557.16 × 44,101.81
  4. Step 4: Simplify right side
    74,321.70x = 4,522,956,384.46
  5. Step 5: Solve for x
    x = 4,522,956,384.46/74,321.70
  6. Step 6: Final answer
    x = 60,856.47

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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.