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Finding the Fourth Proportional to 65,190.76, 97,681.98 and 41,797.80

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Solution

The fourth proportional to 65,190.76, 97,681.98 and 41,797.80 is: 62,629.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,190.76 : 97,681.98 = 41,797.80 : x
  2. Step 2: Convert to fraction form
    65,190.76/97,681.98 = 41,797.80/x
  3. Step 3: Cross multiply
    65,190.76x = 97,681.98 × 41,797.80
  4. Step 4: Simplify right side
    65,190.76x = 4,082,891,863.64
  5. Step 5: Solve for x
    x = 4,082,891,863.64/65,190.76
  6. Step 6: Final answer
    x = 62,629.92

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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.