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Finding the Fourth Proportional to 192,352, 265,440.90 and 107,469.70

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Solution

The fourth proportional to 192,352, 265,440.90 and 107,469.70 is: 148,305.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,352 : 265,440.90 = 107,469.70 : x
  2. Step 2: Convert to fraction form
    192,352/265,440.90 = 107,469.70/x
  3. Step 3: Cross multiply
    192,352x = 265,440.90 × 107,469.70
  4. Step 4: Simplify right side
    192,352x = 28,526,853,890.73
  5. Step 5: Solve for x
    x = 28,526,853,890.73/192,352
  6. Step 6: Final answer
    x = 148,305.47

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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.