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Finding the Fourth Proportional to 189,246.76, 261,162.26 and 104,366.76

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Solution

The fourth proportional to 189,246.76, 261,162.26 and 104,366.76 is: 144,027.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,246.76 : 261,162.26 = 104,366.76 : x
  2. Step 2: Convert to fraction form
    189,246.76/261,162.26 = 104,366.76/x
  3. Step 3: Cross multiply
    189,246.76x = 261,162.26 × 104,366.76
  4. Step 4: Simplify right side
    189,246.76x = 27,256,658,910.48
  5. Step 5: Solve for x
    x = 27,256,658,910.48/189,246.76
  6. Step 6: Final answer
    x = 144,027.08

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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.