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Finding the Fourth Proportional to 250,027.56, 345,037.32 and 136,849.50

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Solution

The fourth proportional to 250,027.56, 345,037.32 and 136,849.50 is: 188,851.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,027.56 : 345,037.32 = 136,849.50 : x
  2. Step 2: Convert to fraction form
    250,027.56/345,037.32 = 136,849.50/x
  3. Step 3: Cross multiply
    250,027.56x = 345,037.32 × 136,849.50
  4. Step 4: Simplify right side
    250,027.56x = 47,218,184,723.34
  5. Step 5: Solve for x
    x = 47,218,184,723.34/250,027.56
  6. Step 6: Final answer
    x = 188,851.92

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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.