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Finding the Fourth Proportional to 189,854.62, 262,004.62 and 104,974.72

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Solution

The fourth proportional to 189,854.62, 262,004.62 and 104,974.72 is: 144,868.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,854.62 : 262,004.62 = 104,974.72 : x
  2. Step 2: Convert to fraction form
    189,854.62/262,004.62 = 104,974.72/x
  3. Step 3: Cross multiply
    189,854.62x = 262,004.62 × 104,974.72
  4. Step 4: Simplify right side
    189,854.62x = 27,503,861,623.21
  5. Step 5: Solve for x
    x = 27,503,861,623.21/189,854.62
  6. Step 6: Final answer
    x = 144,868.01

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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.