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Finding the Fourth Proportional to 192,668,642.64, 265,882,865.52 and 104,562,617.52

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Solution

The fourth proportional to 192,668,642.64, 265,882,865.52 and 104,562,617.52 is: 144,296,487.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,668,642.64 : 265,882,865.52 = 104,562,617.52 : x
  2. Step 2: Convert to fraction form
    192,668,642.64/265,882,865.52 = 104,562,617.52/x
  3. Step 3: Cross multiply
    192,668,642.64x = 265,882,865.52 × 104,562,617.52
  4. Step 4: Simplify right side
    192,668,642.64x = 27,801,408,372,489,356
  5. Step 5: Solve for x
    x = 27,801,408,372,489,356/192,668,642.64
  6. Step 6: Final answer
    x = 144,296,487.44

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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.