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Finding the Fourth Proportional to 183,309.64, 252,944.82 and 111,663.64

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Solution

The fourth proportional to 183,309.64, 252,944.82 and 111,663.64 is: 154,082.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,309.64 : 252,944.82 = 111,663.64 : x
  2. Step 2: Convert to fraction form
    183,309.64/252,944.82 = 111,663.64/x
  3. Step 3: Cross multiply
    183,309.64x = 252,944.82 × 111,663.64
  4. Step 4: Simplify right side
    183,309.64x = 28,244,739,320.34
  5. Step 5: Solve for x
    x = 28,244,739,320.34/183,309.64
  6. Step 6: Final answer
    x = 154,082.13

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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.