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Finding the Fourth Proportional to 363,795.57, 545,667.95 and 136,047.87

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Solution

The fourth proportional to 363,795.57, 545,667.95 and 136,047.87 is: 204,062.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,795.57 : 545,667.95 = 136,047.87 : x
  2. Step 2: Convert to fraction form
    363,795.57/545,667.95 = 136,047.87/x
  3. Step 3: Cross multiply
    363,795.57x = 545,667.95 × 136,047.87
  4. Step 4: Simplify right side
    363,795.57x = 74,236,962,664.89
  5. Step 5: Solve for x
    x = 74,236,962,664.89/363,795.57
  6. Step 6: Final answer
    x = 204,062.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.