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Finding the Fourth Proportional to 79,586.48, 109,827.02 and 43,776.48

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Solution

The fourth proportional to 79,586.48, 109,827.02 and 43,776.48 is: 60,410.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,586.48 : 109,827.02 = 43,776.48 : x
  2. Step 2: Convert to fraction form
    79,586.48/109,827.02 = 43,776.48/x
  3. Step 3: Cross multiply
    79,586.48x = 109,827.02 × 43,776.48
  4. Step 4: Simplify right side
    79,586.48x = 4,807,840,344.49
  5. Step 5: Solve for x
    x = 4,807,840,344.49/79,586.48
  6. Step 6: Final answer
    x = 60,410.26

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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.