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Finding the Fourth Proportional to 104,783.14, 157,173.17 and 25,897.37

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Solution

The fourth proportional to 104,783.14, 157,173.17 and 25,897.37 is: 38,845.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,783.14 : 157,173.17 = 25,897.37 : x
  2. Step 2: Convert to fraction form
    104,783.14/157,173.17 = 25,897.37/x
  3. Step 3: Cross multiply
    104,783.14x = 157,173.17 × 25,897.37
  4. Step 4: Simplify right side
    104,783.14x = 4,070,371,737.56
  5. Step 5: Solve for x
    x = 4,070,371,737.56/104,783.14
  6. Step 6: Final answer
    x = 38,845.67

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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.