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Finding the Fourth Proportional to 104,745.76, 157,118.96 and 25,860.00

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Solution

The fourth proportional to 104,745.76, 157,118.96 and 25,860.00 is: 38,790.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,745.76 : 157,118.96 = 25,860.00 : x
  2. Step 2: Convert to fraction form
    104,745.76/157,118.96 = 25,860.00/x
  3. Step 3: Cross multiply
    104,745.76x = 157,118.96 × 25,860.00
  4. Step 4: Simplify right side
    104,745.76x = 4,063,095,520.01
  5. Step 5: Solve for x
    x = 4,063,095,520.01/104,745.76
  6. Step 6: Final answer
    x = 38,790.07

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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.