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Finding the Fourth Proportional to 189,343.88, 261,295.44 and 104,460.92

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Solution

The fourth proportional to 189,343.88, 261,295.44 and 104,460.92 is: 144,156.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,343.88 : 261,295.44 = 104,460.92 : x
  2. Step 2: Convert to fraction form
    189,343.88/261,295.44 = 104,460.92/x
  3. Step 3: Cross multiply
    189,343.88x = 261,295.44 × 104,460.92
  4. Step 4: Simplify right side
    189,343.88x = 27,295,162,054.20
  5. Step 5: Solve for x
    x = 27,295,162,054.20/189,343.88
  6. Step 6: Final answer
    x = 144,156.56

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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.