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Finding the Fourth Proportional to 97,675.60, 146,340.60 and 91,454.80

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Solution

The fourth proportional to 97,675.60, 146,340.60 and 91,454.80 is: 137,020.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,675.60 : 146,340.60 = 91,454.80 : x
  2. Step 2: Convert to fraction form
    97,675.60/146,340.60 = 91,454.80/x
  3. Step 3: Cross multiply
    97,675.60x = 146,340.60 × 91,454.80
  4. Step 4: Simplify right side
    97,675.60x = 13,383,550,304.88
  5. Step 5: Solve for x
    x = 13,383,550,304.88/97,675.60
  6. Step 6: Final answer
    x = 137,020.41

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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.