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Finding the Fourth Proportional to 189,951.93, 263,332.40 and 179,839.89

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Solution

The fourth proportional to 189,951.93, 263,332.40 and 179,839.89 is: 249,313.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,951.93 : 263,332.40 = 179,839.89 : x
  2. Step 2: Convert to fraction form
    189,951.93/263,332.40 = 179,839.89/x
  3. Step 3: Cross multiply
    189,951.93x = 263,332.40 × 179,839.89
  4. Step 4: Simplify right side
    189,951.93x = 47,357,668,950.24
  5. Step 5: Solve for x
    x = 47,357,668,950.24/189,951.93
  6. Step 6: Final answer
    x = 249,313.97

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.