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Finding the Fourth Proportional to 192,776.76, 266,031.90 and 107,893.82

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Solution

The fourth proportional to 192,776.76, 266,031.90 and 107,893.82 is: 148,893.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,776.76 : 266,031.90 = 107,893.82 : x
  2. Step 2: Convert to fraction form
    192,776.76/266,031.90 = 107,893.82/x
  3. Step 3: Cross multiply
    192,776.76x = 266,031.90 × 107,893.82
  4. Step 4: Simplify right side
    192,776.76x = 28,703,197,932.86
  5. Step 5: Solve for x
    x = 28,703,197,932.86/192,776.76
  6. Step 6: Final answer
    x = 148,893.46

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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.