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Finding the Fourth Proportional to 79,524.69, 109,744.30 and 45,533.70

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Solution

The fourth proportional to 79,524.69, 109,744.30 and 45,533.70 is: 62,836.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,524.69 : 109,744.30 = 45,533.70 : x
  2. Step 2: Convert to fraction form
    79,524.69/109,744.30 = 45,533.70/x
  3. Step 3: Cross multiply
    79,524.69x = 109,744.30 × 45,533.70
  4. Step 4: Simplify right side
    79,524.69x = 4,997,064,032.91
  5. Step 5: Solve for x
    x = 4,997,064,032.91/79,524.69
  6. Step 6: Final answer
    x = 62,836.64

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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.