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Finding the Fourth Proportional to 70,807.98, 97,745.63 and 50,629.80

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Solution

The fourth proportional to 70,807.98, 97,745.63 and 50,629.80 is: 69,891.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,807.98 : 97,745.63 = 50,629.80 : x
  2. Step 2: Convert to fraction form
    70,807.98/97,745.63 = 50,629.80/x
  3. Step 3: Cross multiply
    70,807.98x = 97,745.63 × 50,629.80
  4. Step 4: Simplify right side
    70,807.98x = 4,948,841,444.63
  5. Step 5: Solve for x
    x = 4,948,841,444.63/70,807.98
  6. Step 6: Final answer
    x = 69,891.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.