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Finding the Fourth Proportional to 207,793,604.90, 311,484,829.35 and 98,426,546.30

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Solution

The fourth proportional to 207,793,604.90, 311,484,829.35 and 98,426,546.30 is: 147,542,442.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,793,604.90 : 311,484,829.35 = 98,426,546.30 : x
  2. Step 2: Convert to fraction form
    207,793,604.90/311,484,829.35 = 98,426,546.30/x
  3. Step 3: Cross multiply
    207,793,604.90x = 311,484,829.35 × 98,426,546.30
  4. Step 4: Simplify right side
    207,793,604.90x = 30,658,375,977,765,376
  5. Step 5: Solve for x
    x = 30,658,375,977,765,376/207,793,604.90
  6. Step 6: Final answer
    x = 147,542,442.38

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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.