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Finding the Fourth Proportional to 170,667.03, 255,855.94 and 70,764.87

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Solution

The fourth proportional to 170,667.03, 255,855.94 and 70,764.87 is: 106,087.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,667.03 : 255,855.94 = 70,764.87 : x
  2. Step 2: Convert to fraction form
    170,667.03/255,855.94 = 70,764.87/x
  3. Step 3: Cross multiply
    170,667.03x = 255,855.94 × 70,764.87
  4. Step 4: Simplify right side
    170,667.03x = 18,105,612,332.83
  5. Step 5: Solve for x
    x = 18,105,612,332.83/170,667.03
  6. Step 6: Final answer
    x = 106,087.35

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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.