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Finding the Fourth Proportional to 183,921.92, 253,589.60 and 143,097.92

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Solution

The fourth proportional to 183,921.92, 253,589.60 and 143,097.92 is: 197,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,921.92 : 253,589.60 = 143,097.92 : x
  2. Step 2: Convert to fraction form
    183,921.92/253,589.60 = 143,097.92/x
  3. Step 3: Cross multiply
    183,921.92x = 253,589.60 × 143,097.92
  4. Step 4: Simplify right side
    183,921.92x = 36,288,144,293.63
  5. Step 5: Solve for x
    x = 36,288,144,293.63/183,921.92
  6. Step 6: Final answer
    x = 197,301.90

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1.5x scale

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.