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Finding the Fourth Proportional to 192,703.86, 265,924.53 and 106,663.01

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Solution

The fourth proportional to 192,703.86, 265,924.53 and 106,663.01 is: 147,191.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,703.86 : 265,924.53 = 106,663.01 : x
  2. Step 2: Convert to fraction form
    192,703.86/265,924.53 = 106,663.01/x
  3. Step 3: Cross multiply
    192,703.86x = 265,924.53 × 106,663.01
  4. Step 4: Simplify right side
    192,703.86x = 28,364,309,473.01
  5. Step 5: Solve for x
    x = 28,364,309,473.01/192,703.86
  6. Step 6: Final answer
    x = 147,191.18

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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.