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Finding the Fourth Proportional to 65,063.45, 97,325.30 and 61,077.64

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Solution

The fourth proportional to 65,063.45, 97,325.30 and 61,077.64 is: 91,363.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,063.45 : 97,325.30 = 61,077.64 : x
  2. Step 2: Convert to fraction form
    65,063.45/97,325.30 = 61,077.64/x
  3. Step 3: Cross multiply
    65,063.45x = 97,325.30 × 61,077.64
  4. Step 4: Simplify right side
    65,063.45x = 5,944,399,087.59
  5. Step 5: Solve for x
    x = 5,944,399,087.59/65,063.45
  6. Step 6: Final answer
    x = 91,363.12

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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.