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Finding the Fourth Proportional to 189,601.74, 261,628.02 and 104,713.74

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Solution

The fourth proportional to 189,601.74, 261,628.02 and 104,713.74 is: 144,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,601.74 : 261,628.02 = 104,713.74 : x
  2. Step 2: Convert to fraction form
    189,601.74/261,628.02 = 104,713.74/x
  3. Step 3: Cross multiply
    189,601.74x = 261,628.02 × 104,713.74
  4. Step 4: Simplify right side
    189,601.74x = 27,396,048,462.99
  5. Step 5: Solve for x
    x = 27,396,048,462.99/189,601.74
  6. Step 6: Final answer
    x = 144,492.60

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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.