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Finding the Fourth Proportional to 97,611.12, 134,703.24 and 52,899.12

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Solution

The fourth proportional to 97,611.12, 134,703.24 and 52,899.12 is: 73,000.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,611.12 : 134,703.24 = 52,899.12 : x
  2. Step 2: Convert to fraction form
    97,611.12/134,703.24 = 52,899.12/x
  3. Step 3: Cross multiply
    97,611.12x = 134,703.24 × 52,899.12
  4. Step 4: Simplify right side
    97,611.12x = 7,125,682,857.15
  5. Step 5: Solve for x
    x = 7,125,682,857.15/97,611.12
  6. Step 6: Final answer
    x = 73,000.73

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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.