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Finding the Fourth Proportional to 170,656.98, 255,975.90 and 52,328

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Solution

The fourth proportional to 170,656.98, 255,975.90 and 52,328 is: 78,489.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,656.98 : 255,975.90 = 52,328 : x
  2. Step 2: Convert to fraction form
    170,656.98/255,975.90 = 52,328/x
  3. Step 3: Cross multiply
    170,656.98x = 255,975.90 × 52,328
  4. Step 4: Simplify right side
    170,656.98x = 13,394,706,895.20
  5. Step 5: Solve for x
    x = 13,394,706,895.20/170,656.98
  6. Step 6: Final answer
    x = 78,489.07

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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.