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Finding the Fourth Proportional to 97,704.72, 134,893.02 and 75,000.24

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Solution

The fourth proportional to 97,704.72, 134,893.02 and 75,000.24 is: 103,546.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,704.72 : 134,893.02 = 75,000.24 : x
  2. Step 2: Convert to fraction form
    97,704.72/134,893.02 = 75,000.24/x
  3. Step 3: Cross multiply
    97,704.72x = 134,893.02 × 75,000.24
  4. Step 4: Simplify right side
    97,704.72x = 10,117,008,874.32
  5. Step 5: Solve for x
    x = 10,117,008,874.32/97,704.72
  6. Step 6: Final answer
    x = 103,546.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.