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Finding the Fourth Proportional to 222,670.88, 333,656 and 172,193.12

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Solution

The fourth proportional to 222,670.88, 333,656 and 172,193.12 is: 258,018.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,670.88 : 333,656 = 172,193.12 : x
  2. Step 2: Convert to fraction form
    222,670.88/333,656 = 172,193.12/x
  3. Step 3: Cross multiply
    222,670.88x = 333,656 × 172,193.12
  4. Step 4: Simplify right side
    222,670.88x = 57,453,267,646.72
  5. Step 5: Solve for x
    x = 57,453,267,646.72/222,670.88
  6. Step 6: Final answer
    x = 258,018.77

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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.