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Finding the Fourth Proportional to 173,106, 238,886.28 and 122,892.48

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Solution

The fourth proportional to 173,106, 238,886.28 and 122,892.48 is: 169,591.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,106 : 238,886.28 = 122,892.48 : x
  2. Step 2: Convert to fraction form
    173,106/238,886.28 = 122,892.48/x
  3. Step 3: Cross multiply
    173,106x = 238,886.28 × 122,892.48
  4. Step 4: Simplify right side
    173,106x = 29,357,327,387.17
  5. Step 5: Solve for x
    x = 29,357,327,387.17/173,106
  6. Step 6: Final answer
    x = 169,591.62

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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.