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Finding the Fourth Proportional to 104,783.15, 157,173.19 and 25,897.37

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Solution

The fourth proportional to 104,783.15, 157,173.19 and 25,897.37 is: 38,845.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,783.15 : 157,173.19 = 25,897.37 : x
  2. Step 2: Convert to fraction form
    104,783.15/157,173.19 = 25,897.37/x
  3. Step 3: Cross multiply
    104,783.15x = 157,173.19 × 25,897.37
  4. Step 4: Simplify right side
    104,783.15x = 4,070,372,126.02
  5. Step 5: Solve for x
    x = 4,070,372,126.02/104,783.15
  6. Step 6: Final answer
    x = 38,845.68

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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.