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Finding the Fourth Proportional to 79,663.36, 109,934.58 and 43,852.60

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Solution

The fourth proportional to 79,663.36, 109,934.58 and 43,852.60 is: 60,516.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,663.36 : 109,934.58 = 43,852.60 : x
  2. Step 2: Convert to fraction form
    79,663.36/109,934.58 = 43,852.60/x
  3. Step 3: Cross multiply
    79,663.36x = 109,934.58 × 43,852.60
  4. Step 4: Simplify right side
    79,663.36x = 4,820,917,162.91
  5. Step 5: Solve for x
    x = 4,820,917,162.91/79,663.36
  6. Step 6: Final answer
    x = 60,516.12

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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.