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Finding the Fourth Proportional to 146,841, 202,640.76 and 79,773

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Solution

The fourth proportional to 146,841, 202,640.76 and 79,773 is: 110,086.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,841 : 202,640.76 = 79,773 : x
  2. Step 2: Convert to fraction form
    146,841/202,640.76 = 79,773/x
  3. Step 3: Cross multiply
    146,841x = 202,640.76 × 79,773
  4. Step 4: Simplify right side
    146,841x = 16,165,261,347.48
  5. Step 5: Solve for x
    x = 16,165,261,347.48/146,841
  6. Step 6: Final answer
    x = 110,086.84

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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.