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Finding the Fourth Proportional to 79,184.66, 109,277.37 and 43,376.58

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Solution

The fourth proportional to 79,184.66, 109,277.37 and 43,376.58 is: 59,861.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,184.66 : 109,277.37 = 43,376.58 : x
  2. Step 2: Convert to fraction form
    79,184.66/109,277.37 = 43,376.58/x
  3. Step 3: Cross multiply
    79,184.66x = 109,277.37 × 43,376.58
  4. Step 4: Simplify right side
    79,184.66x = 4,740,078,581.99
  5. Step 5: Solve for x
    x = 4,740,078,581.99/79,184.66
  6. Step 6: Final answer
    x = 59,861.08

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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.