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Finding the Fourth Proportional to 265,010.86, 397,518.65 and 75,471.08

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Solution

The fourth proportional to 265,010.86, 397,518.65 and 75,471.08 is: 113,207.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,010.86 : 397,518.65 = 75,471.08 : x
  2. Step 2: Convert to fraction form
    265,010.86/397,518.65 = 75,471.08/x
  3. Step 3: Cross multiply
    265,010.86x = 397,518.65 × 75,471.08
  4. Step 4: Simplify right side
    265,010.86x = 30,001,161,835.64
  5. Step 5: Solve for x
    x = 30,001,161,835.64/265,010.86
  6. Step 6: Final answer
    x = 113,207.29

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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.