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Finding the Fourth Proportional to 222,092.94, 306,492.75 and 121,497.42

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Solution

The fourth proportional to 222,092.94, 306,492.75 and 121,497.42 is: 167,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,092.94 : 306,492.75 = 121,497.42 : x
  2. Step 2: Convert to fraction form
    222,092.94/306,492.75 = 121,497.42/x
  3. Step 3: Cross multiply
    222,092.94x = 306,492.75 × 121,497.42
  4. Step 4: Simplify right side
    222,092.94x = 37,238,078,373.71
  5. Step 5: Solve for x
    x = 37,238,078,373.71/222,092.94
  6. Step 6: Final answer
    x = 167,668.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.