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Finding the Fourth Proportional to 192,373, 265,469.79 and 107,490.76

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Solution

The fourth proportional to 192,373, 265,469.79 and 107,490.76 is: 148,334.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,373 : 265,469.79 = 107,490.76 : x
  2. Step 2: Convert to fraction form
    192,373/265,469.79 = 107,490.76/x
  3. Step 3: Cross multiply
    192,373x = 265,469.79 × 107,490.76
  4. Step 4: Simplify right side
    192,373x = 28,535,549,484.14
  5. Step 5: Solve for x
    x = 28,535,549,484.14/192,373
  6. Step 6: Final answer
    x = 148,334.48

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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.