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Finding the Fourth Proportional to 365,309.34, 547,912.26 and 125,419.32

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Solution

The fourth proportional to 365,309.34, 547,912.26 and 125,419.32 is: 188,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,309.34 : 547,912.26 = 125,419.32 : x
  2. Step 2: Convert to fraction form
    365,309.34/547,912.26 = 125,419.32/x
  3. Step 3: Cross multiply
    365,309.34x = 547,912.26 × 125,419.32
  4. Step 4: Simplify right side
    365,309.34x = 68,718,783,068.86
  5. Step 5: Solve for x
    x = 68,718,783,068.86/365,309.34
  6. Step 6: Final answer
    x = 188,111.21

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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.