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Finding the Fourth Proportional to 189,096.40, 260,958.48 and 104,218.92

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Solution

The fourth proportional to 189,096.40, 260,958.48 and 104,218.92 is: 143,825.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,096.40 : 260,958.48 = 104,218.92 : x
  2. Step 2: Convert to fraction form
    189,096.40/260,958.48 = 104,218.92/x
  3. Step 3: Cross multiply
    189,096.40x = 260,958.48 × 104,218.92
  4. Step 4: Simplify right side
    189,096.40x = 27,196,810,950.44
  5. Step 5: Solve for x
    x = 27,196,810,950.44/189,096.40
  6. Step 6: Final answer
    x = 143,825.11

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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.