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Finding the Fourth Proportional to 53,804,078.70, 80,706,118.05 and 49,647,029.10

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Solution

The fourth proportional to 53,804,078.70, 80,706,118.05 and 49,647,029.10 is: 74,470,543.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,804,078.70 : 80,706,118.05 = 49,647,029.10 : x
  2. Step 2: Convert to fraction form
    53,804,078.70/80,706,118.05 = 49,647,029.10/x
  3. Step 3: Cross multiply
    53,804,078.70x = 80,706,118.05 × 49,647,029.10
  4. Step 4: Simplify right side
    53,804,078.70x = 4,006,818,991,376,385
  5. Step 5: Solve for x
    x = 4,006,818,991,376,385/53,804,078.70
  6. Step 6: Final answer
    x = 74,470,543.65

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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.