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Finding the Fourth Proportional to 74,322.70, 102,558.54 and 44,102.81

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Solution

The fourth proportional to 74,322.70, 102,558.54 and 44,102.81 is: 60,857.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,322.70 : 102,558.54 = 44,102.81 : x
  2. Step 2: Convert to fraction form
    74,322.70/102,558.54 = 44,102.81/x
  3. Step 3: Cross multiply
    74,322.70x = 102,558.54 × 44,102.81
  4. Step 4: Simplify right side
    74,322.70x = 4,523,119,803.50
  5. Step 5: Solve for x
    x = 4,523,119,803.50/74,322.70
  6. Step 6: Final answer
    x = 60,857.85

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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.