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Finding the Fourth Proportional to 79,472.63, 109,673.45 and 43,663.34

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Solution

The fourth proportional to 79,472.63, 109,673.45 and 43,663.34 is: 60,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,472.63 : 109,673.45 = 43,663.34 : x
  2. Step 2: Convert to fraction form
    79,472.63/109,673.45 = 43,663.34/x
  3. Step 3: Cross multiply
    79,472.63x = 109,673.45 × 43,663.34
  4. Step 4: Simplify right side
    79,472.63x = 4,788,708,369.64
  5. Step 5: Solve for x
    x = 4,788,708,369.64/79,472.63
  6. Step 6: Final answer
    x = 60,256.07

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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.