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Finding the Fourth Proportional to 192,339, 265,422.96 and 107,456.67

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Solution

The fourth proportional to 192,339, 265,422.96 and 107,456.67 is: 148,287.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,339 : 265,422.96 = 107,456.67 : x
  2. Step 2: Convert to fraction form
    192,339/265,422.96 = 107,456.67/x
  3. Step 3: Cross multiply
    192,339x = 265,422.96 × 107,456.67
  4. Step 4: Simplify right side
    192,339x = 28,521,467,423.14
  5. Step 5: Solve for x
    x = 28,521,467,423.14/192,339
  6. Step 6: Final answer
    x = 148,287.49

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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.