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Finding the Fourth Proportional to 65,163.40, 97,701.30 and 25,700.20

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Solution

The fourth proportional to 65,163.40, 97,701.30 and 25,700.20 is: 38,533.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,163.40 : 97,701.30 = 25,700.20 : x
  2. Step 2: Convert to fraction form
    65,163.40/97,701.30 = 25,700.20/x
  3. Step 3: Cross multiply
    65,163.40x = 97,701.30 × 25,700.20
  4. Step 4: Simplify right side
    65,163.40x = 2,510,942,950.26
  5. Step 5: Solve for x
    x = 2,510,942,950.26/65,163.40
  6. Step 6: Final answer
    x = 38,533.03

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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.