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Finding the Fourth Proportional to 49,897,477.80, 74,846,216.70 and 49,897,477.80

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Solution

The fourth proportional to 49,897,477.80, 74,846,216.70 and 49,897,477.80 is: 74,846,216.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,897,477.80 : 74,846,216.70 = 49,897,477.80 : x
  2. Step 2: Convert to fraction form
    49,897,477.80/74,846,216.70 = 49,897,477.80/x
  3. Step 3: Cross multiply
    49,897,477.80x = 74,846,216.70 × 49,897,477.80
  4. Step 4: Simplify right side
    49,897,477.80x = 3,734,637,436,202,239
  5. Step 5: Solve for x
    x = 3,734,637,436,202,239/49,897,477.80
  6. Step 6: Final answer
    x = 74,846,216.70

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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.