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Finding the Fourth Proportional to 94,348.98, 130,198.86 and 51,907.50

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Solution

The fourth proportional to 94,348.98, 130,198.86 and 51,907.50 is: 71,630.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,348.98 : 130,198.86 = 51,907.50 : x
  2. Step 2: Convert to fraction form
    94,348.98/130,198.86 = 51,907.50/x
  3. Step 3: Cross multiply
    94,348.98x = 130,198.86 × 51,907.50
  4. Step 4: Simplify right side
    94,348.98x = 6,758,297,325.45
  5. Step 5: Solve for x
    x = 6,758,297,325.45/94,348.98
  6. Step 6: Final answer
    x = 71,630.85

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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.