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Finding the Fourth Proportional to 50,296.98, 75,746.36 and 45,813.02

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Solution

The fourth proportional to 50,296.98, 75,746.36 and 45,813.02 is: 68,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,296.98 : 75,746.36 = 45,813.02 : x
  2. Step 2: Convert to fraction form
    50,296.98/75,746.36 = 45,813.02/x
  3. Step 3: Cross multiply
    50,296.98x = 75,746.36 × 45,813.02
  4. Step 4: Simplify right side
    50,296.98x = 3,470,169,505.61
  5. Step 5: Solve for x
    x = 3,470,169,505.61/50,296.98
  6. Step 6: Final answer
    x = 68,993.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.