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Finding the Fourth Proportional to 265,047.48, 365,645.07 and 157,556.43

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Solution

The fourth proportional to 265,047.48, 365,645.07 and 157,556.43 is: 217,356.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,047.48 : 365,645.07 = 157,556.43 : x
  2. Step 2: Convert to fraction form
    265,047.48/365,645.07 = 157,556.43/x
  3. Step 3: Cross multiply
    265,047.48x = 365,645.07 × 157,556.43
  4. Step 4: Simplify right side
    265,047.48x = 57,609,731,876.30
  5. Step 5: Solve for x
    x = 57,609,731,876.30/265,047.48
  6. Step 6: Final answer
    x = 217,356.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.