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Finding the Fourth Proportional to 79,751.17, 110,053.95 and 43,941.78

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Solution

The fourth proportional to 79,751.17, 110,053.95 and 43,941.78 is: 60,638.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,751.17 : 110,053.95 = 43,941.78 : x
  2. Step 2: Convert to fraction form
    79,751.17/110,053.95 = 43,941.78/x
  3. Step 3: Cross multiply
    79,751.17x = 110,053.95 × 43,941.78
  4. Step 4: Simplify right side
    79,751.17x = 4,835,966,459.03
  5. Step 5: Solve for x
    x = 4,835,966,459.03/79,751.17
  6. Step 6: Final answer
    x = 60,638.19

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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.