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Finding the Fourth Proportional to 135,667.92, 203,436.32 and 46,890.32

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Solution

The fourth proportional to 135,667.92, 203,436.32 and 46,890.32 is: 70,312.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,667.92 : 203,436.32 = 46,890.32 : x
  2. Step 2: Convert to fraction form
    135,667.92/203,436.32 = 46,890.32/x
  3. Step 3: Cross multiply
    135,667.92x = 203,436.32 × 46,890.32
  4. Step 4: Simplify right side
    135,667.92x = 9,539,194,144.42
  5. Step 5: Solve for x
    x = 9,539,194,144.42/135,667.92
  6. Step 6: Final answer
    x = 70,312.82

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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.