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Finding the Fourth Proportional to 199,704,612.60, 299,556,918.90 and 199,704,612.60

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Solution

The fourth proportional to 199,704,612.60, 299,556,918.90 and 199,704,612.60 is: 299,556,918.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,704,612.60 : 299,556,918.90 = 199,704,612.60 : x
  2. Step 2: Convert to fraction form
    199,704,612.60/299,556,918.90 = 199,704,612.60/x
  3. Step 3: Cross multiply
    199,704,612.60x = 299,556,918.90 × 199,704,612.60
  4. Step 4: Simplify right side
    199,704,612.60x = 59,822,898,440,574,112
  5. Step 5: Solve for x
    x = 59,822,898,440,574,112/199,704,612.60
  6. Step 6: Final answer
    x = 299,556,918.90

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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.