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Finding the Fourth Proportional to 146,781.52, 202,559.53 and 79,713.52

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Solution

The fourth proportional to 146,781.52, 202,559.53 and 79,713.52 is: 110,005.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,781.52 : 202,559.53 = 79,713.52 : x
  2. Step 2: Convert to fraction form
    146,781.52/202,559.53 = 79,713.52/x
  3. Step 3: Cross multiply
    146,781.52x = 202,559.53 × 79,713.52
  4. Step 4: Simplify right side
    146,781.52x = 16,146,731,933.76
  5. Step 5: Solve for x
    x = 16,146,731,933.76/146,781.52
  6. Step 6: Final answer
    x = 110,005.21

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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.