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Finding the Fourth Proportional to 209,395.39, 313,300.48 and 124,052.07

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Solution

The fourth proportional to 209,395.39, 313,300.48 and 124,052.07 is: 185,608.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,395.39 : 313,300.48 = 124,052.07 : x
  2. Step 2: Convert to fraction form
    209,395.39/313,300.48 = 124,052.07/x
  3. Step 3: Cross multiply
    209,395.39x = 313,300.48 × 124,052.07
  4. Step 4: Simplify right side
    209,395.39x = 38,865,572,765.86
  5. Step 5: Solve for x
    x = 38,865,572,765.86/209,395.39
  6. Step 6: Final answer
    x = 185,608.54

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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.