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Finding the Fourth Proportional to 84,796,543.80, 127,194,815.70 and 63,273,183.30

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Solution

The fourth proportional to 84,796,543.80, 127,194,815.70 and 63,273,183.30 is: 94,909,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,796,543.80 : 127,194,815.70 = 63,273,183.30 : x
  2. Step 2: Convert to fraction form
    84,796,543.80/127,194,815.70 = 63,273,183.30/x
  3. Step 3: Cross multiply
    84,796,543.80x = 127,194,815.70 × 63,273,183.30
  4. Step 4: Simplify right side
    84,796,543.80x = 8,048,020,888,595,818
  5. Step 5: Solve for x
    x = 8,048,020,888,595,818/84,796,543.80
  6. Step 6: Final answer
    x = 94,909,774.95

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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.