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Finding the Fourth Proportional to 104,782.51, 157,173.90 and 25,895.53

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Solution

The fourth proportional to 104,782.51, 157,173.90 and 25,895.53 is: 38,843.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,782.51 : 157,173.90 = 25,895.53 : x
  2. Step 2: Convert to fraction form
    104,782.51/157,173.90 = 25,895.53/x
  3. Step 3: Cross multiply
    104,782.51x = 157,173.90 × 25,895.53
  4. Step 4: Simplify right side
    104,782.51x = 4,070,101,442.67
  5. Step 5: Solve for x
    x = 4,070,101,442.67/104,782.51
  6. Step 6: Final answer
    x = 38,843.33

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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.