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Finding the Fourth Proportional to 186,472.96, 279,717.12 and 97,676.80

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Solution

The fourth proportional to 186,472.96, 279,717.12 and 97,676.80 is: 146,519.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,472.96 : 279,717.12 = 97,676.80 : x
  2. Step 2: Convert to fraction form
    186,472.96/279,717.12 = 97,676.80/x
  3. Step 3: Cross multiply
    186,472.96x = 279,717.12 × 97,676.80
  4. Step 4: Simplify right side
    186,472.96x = 27,321,873,186.82
  5. Step 5: Solve for x
    x = 27,321,873,186.82/186,472.96
  6. Step 6: Final answer
    x = 146,519.22

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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.