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Finding the Fourth Proportional to 170,996.98, 256,483.30 and 52,655.98

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Solution

The fourth proportional to 170,996.98, 256,483.30 and 52,655.98 is: 78,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,996.98 : 256,483.30 = 52,655.98 : x
  2. Step 2: Convert to fraction form
    170,996.98/256,483.30 = 52,655.98/x
  3. Step 3: Cross multiply
    170,996.98x = 256,483.30 × 52,655.98
  4. Step 4: Simplify right side
    170,996.98x = 13,505,379,515.13
  5. Step 5: Solve for x
    x = 13,505,379,515.13/170,996.98
  6. Step 6: Final answer
    x = 78,980.22

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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.