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Finding the Fourth Proportional to 137,860,414.80, 206,578,045.80 and 119,578,844.40

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Solution

The fourth proportional to 137,860,414.80, 206,578,045.80 and 119,578,844.40 is: 179,183,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,860,414.80 : 206,578,045.80 = 119,578,844.40 : x
  2. Step 2: Convert to fraction form
    137,860,414.80/206,578,045.80 = 119,578,844.40/x
  3. Step 3: Cross multiply
    137,860,414.80x = 206,578,045.80 × 119,578,844.40
  4. Step 4: Simplify right side
    137,860,414.80x = 24,702,363,995,174,276
  5. Step 5: Solve for x
    x = 24,702,363,995,174,276/137,860,414.80
  6. Step 6: Final answer
    x = 179,183,879.80

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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.