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Finding the Fourth Proportional to 170,671.81, 255,998.12 and 52,342.82

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Solution

The fourth proportional to 170,671.81, 255,998.12 and 52,342.82 is: 78,511.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,671.81 : 255,998.12 = 52,342.82 : x
  2. Step 2: Convert to fraction form
    170,671.81/255,998.12 = 52,342.82/x
  3. Step 3: Cross multiply
    170,671.81x = 255,998.12 × 52,342.82
  4. Step 4: Simplify right side
    170,671.81x = 13,399,663,515.50
  5. Step 5: Solve for x
    x = 13,399,663,515.50/170,671.81
  6. Step 6: Final answer
    x = 78,511.29

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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.