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Finding the Fourth Proportional to 122,606.56, 183,886.81 and 38,354.11

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Solution

The fourth proportional to 122,606.56, 183,886.81 and 38,354.11 is: 57,523.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,606.56 : 183,886.81 = 38,354.11 : x
  2. Step 2: Convert to fraction form
    122,606.56/183,886.81 = 38,354.11/x
  3. Step 3: Cross multiply
    122,606.56x = 183,886.81 × 38,354.11
  4. Step 4: Simplify right side
    122,606.56x = 7,052,814,382.69
  5. Step 5: Solve for x
    x = 7,052,814,382.69/122,606.56
  6. Step 6: Final answer
    x = 57,523.96

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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.