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Finding the Fourth Proportional to 170,602.85, 255,895.05 and 52,274.54

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Solution

The fourth proportional to 170,602.85, 255,895.05 and 52,274.54 is: 78,408.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,602.85 : 255,895.05 = 52,274.54 : x
  2. Step 2: Convert to fraction form
    170,602.85/255,895.05 = 52,274.54/x
  3. Step 3: Cross multiply
    170,602.85x = 255,895.05 × 52,274.54
  4. Step 4: Simplify right side
    170,602.85x = 13,376,795,387.29
  5. Step 5: Solve for x
    x = 13,376,795,387.29/170,602.85
  6. Step 6: Final answer
    x = 78,408.98

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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.