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Finding the Fourth Proportional to 97,761.30, 134,910.10 and 53,049.30

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Solution

The fourth proportional to 97,761.30, 134,910.10 and 53,049.30 is: 73,207.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,761.30 : 134,910.10 = 53,049.30 : x
  2. Step 2: Convert to fraction form
    97,761.30/134,910.10 = 53,049.30/x
  3. Step 3: Cross multiply
    97,761.30x = 134,910.10 × 53,049.30
  4. Step 4: Simplify right side
    97,761.30x = 7,156,886,367.93
  5. Step 5: Solve for x
    x = 7,156,886,367.93/97,761.30
  6. Step 6: Final answer
    x = 73,207.77

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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.