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Finding the Fourth Proportional to 94,692.88, 130,676.79 and 51,675.40

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Solution

The fourth proportional to 94,692.88, 130,676.79 and 51,675.40 is: 71,312.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,692.88 : 130,676.79 = 51,675.40 : x
  2. Step 2: Convert to fraction form
    94,692.88/130,676.79 = 51,675.40/x
  3. Step 3: Cross multiply
    94,692.88x = 130,676.79 × 51,675.40
  4. Step 4: Simplify right side
    94,692.88x = 6,752,775,393.97
  5. Step 5: Solve for x
    x = 6,752,775,393.97/94,692.88
  6. Step 6: Final answer
    x = 71,312.39

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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.