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Finding the Fourth Proportional to 195,429.69, 292,751.41 and 148,125.69

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Solution

The fourth proportional to 195,429.69, 292,751.41 and 148,125.69 is: 221,890.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,429.69 : 292,751.41 = 148,125.69 : x
  2. Step 2: Convert to fraction form
    195,429.69/292,751.41 = 148,125.69/x
  3. Step 3: Cross multiply
    195,429.69x = 292,751.41 × 148,125.69
  4. Step 4: Simplify right side
    195,429.69x = 43,364,004,604.72
  5. Step 5: Solve for x
    x = 43,364,004,604.72/195,429.69
  6. Step 6: Final answer
    x = 221,890.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.