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Finding the Fourth Proportional to 65,167.80, 97,751.70 and 41,839.80

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Solution

The fourth proportional to 65,167.80, 97,751.70 and 41,839.80 is: 62,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,167.80 : 97,751.70 = 41,839.80 : x
  2. Step 2: Convert to fraction form
    65,167.80/97,751.70 = 41,839.80/x
  3. Step 3: Cross multiply
    65,167.80x = 97,751.70 × 41,839.80
  4. Step 4: Simplify right side
    65,167.80x = 4,089,911,577.66
  5. Step 5: Solve for x
    x = 4,089,911,577.66/65,167.80
  6. Step 6: Final answer
    x = 62,759.70

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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.