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Finding the Fourth Proportional to 192,464.79, 265,601.75 and 107,581.79

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Solution

The fourth proportional to 192,464.79, 265,601.75 and 107,581.79 is: 148,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,464.79 : 265,601.75 = 107,581.79 : x
  2. Step 2: Convert to fraction form
    192,464.79/265,601.75 = 107,581.79/x
  3. Step 3: Cross multiply
    192,464.79x = 265,601.75 × 107,581.79
  4. Step 4: Simplify right side
    192,464.79x = 28,573,909,826.21
  5. Step 5: Solve for x
    x = 28,573,909,826.21/192,464.79
  6. Step 6: Final answer
    x = 148,463.05

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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.