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Finding the Fourth Proportional to 79,252.26, 109,371.80 and 43,445

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Solution

The fourth proportional to 79,252.26, 109,371.80 and 43,445 is: 59,956.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,252.26 : 109,371.80 = 43,445 : x
  2. Step 2: Convert to fraction form
    79,252.26/109,371.80 = 43,445/x
  3. Step 3: Cross multiply
    79,252.26x = 109,371.80 × 43,445
  4. Step 4: Simplify right side
    79,252.26x = 4,751,657,851
  5. Step 5: Solve for x
    x = 4,751,657,851/79,252.26
  6. Step 6: Final answer
    x = 59,956.12

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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.