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Finding the Fourth Proportional to 254,065,656.70, 380,876,524.52 and 98,512,294.62

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Solution

The fourth proportional to 254,065,656.70, 380,876,524.52 and 98,512,294.62 is: 147,682,378.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,065,656.70 : 380,876,524.52 = 98,512,294.62 : x
  2. Step 2: Convert to fraction form
    254,065,656.70/380,876,524.52 = 98,512,294.62/x
  3. Step 3: Cross multiply
    254,065,656.70x = 380,876,524.52 × 98,512,294.62
  4. Step 4: Simplify right side
    254,065,656.70x = 37,521,020,396,149,192
  5. Step 5: Solve for x
    x = 37,521,020,396,149,192/254,065,656.70
  6. Step 6: Final answer
    x = 147,682,378.19

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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.