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Finding the Fourth Proportional to 104,509.62, 144,221.22 and 59,186.88

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Solution

The fourth proportional to 104,509.62, 144,221.22 and 59,186.88 is: 81,676.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,509.62 : 144,221.22 = 59,186.88 : x
  2. Step 2: Convert to fraction form
    104,509.62/144,221.22 = 59,186.88/x
  3. Step 3: Cross multiply
    104,509.62x = 144,221.22 × 59,186.88
  4. Step 4: Simplify right side
    104,509.62x = 8,536,004,041.59
  5. Step 5: Solve for x
    x = 8,536,004,041.59/104,509.62
  6. Step 6: Final answer
    x = 81,676.73

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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.