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Finding the Fourth Proportional to 254,936,478.80, 382,404,697.12 and 70,703,952.54

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Solution

The fourth proportional to 254,936,478.80, 382,404,697.12 and 70,703,952.54 is: 106,055,922.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,936,478.80 : 382,404,697.12 = 70,703,952.54 : x
  2. Step 2: Convert to fraction form
    254,936,478.80/382,404,697.12 = 70,703,952.54/x
  3. Step 3: Cross multiply
    254,936,478.80x = 382,404,697.12 × 70,703,952.54
  4. Step 4: Simplify right side
    254,936,478.80x = 27,037,523,556,245,556
  5. Step 5: Solve for x
    x = 27,037,523,556,245,556/254,936,478.80
  6. Step 6: Final answer
    x = 106,055,922.96

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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.