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Finding the Fourth Proportional to 259,667.87, 389,501.80 and 62,675.87

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Solution

The fourth proportional to 259,667.87, 389,501.80 and 62,675.87 is: 94,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,667.87 : 389,501.80 = 62,675.87 : x
  2. Step 2: Convert to fraction form
    259,667.87/389,501.80 = 62,675.87/x
  3. Step 3: Cross multiply
    259,667.87x = 389,501.80 × 62,675.87
  4. Step 4: Simplify right side
    259,667.87x = 24,412,364,181.57
  5. Step 5: Solve for x
    x = 24,412,364,181.57/259,667.87
  6. Step 6: Final answer
    x = 94,013.80

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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.