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Finding the Fourth Proportional to 248,507.32, 342,944.02 and 135,329.96

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Solution

The fourth proportional to 248,507.32, 342,944.02 and 135,329.96 is: 186,757.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,507.32 : 342,944.02 = 135,329.96 : x
  2. Step 2: Convert to fraction form
    248,507.32/342,944.02 = 135,329.96/x
  3. Step 3: Cross multiply
    248,507.32x = 342,944.02 × 135,329.96
  4. Step 4: Simplify right side
    248,507.32x = 46,410,600,508.84
  5. Step 5: Solve for x
    x = 46,410,600,508.84/248,507.32
  6. Step 6: Final answer
    x = 186,757.48

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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.