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Finding the Fourth Proportional to 192,609.71, 265,799.95 and 107,726.77

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Solution

The fourth proportional to 192,609.71, 265,799.95 and 107,726.77 is: 148,662.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,609.71 : 265,799.95 = 107,726.77 : x
  2. Step 2: Convert to fraction form
    192,609.71/265,799.95 = 107,726.77/x
  3. Step 3: Cross multiply
    192,609.71x = 265,799.95 × 107,726.77
  4. Step 4: Simplify right side
    192,609.71x = 28,633,769,145.84
  5. Step 5: Solve for x
    x = 28,633,769,145.84/192,609.71
  6. Step 6: Final answer
    x = 148,662.13

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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.