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Finding the Fourth Proportional to 173,316.35, 259,973.82 and 54,996.90

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Solution

The fourth proportional to 173,316.35, 259,973.82 and 54,996.90 is: 82,495.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,316.35 : 259,973.82 = 54,996.90 : x
  2. Step 2: Convert to fraction form
    173,316.35/259,973.82 = 54,996.90/x
  3. Step 3: Cross multiply
    173,316.35x = 259,973.82 × 54,996.90
  4. Step 4: Simplify right side
    173,316.35x = 14,297,754,181.16
  5. Step 5: Solve for x
    x = 14,297,754,181.16/173,316.35
  6. Step 6: Final answer
    x = 82,495.13

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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.