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Finding the Fourth Proportional to 79,779.95, 110,094.16 and 43,969.95

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Solution

The fourth proportional to 79,779.95, 110,094.16 and 43,969.95 is: 60,677.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,779.95 : 110,094.16 = 43,969.95 : x
  2. Step 2: Convert to fraction form
    79,779.95/110,094.16 = 43,969.95/x
  3. Step 3: Cross multiply
    79,779.95x = 110,094.16 × 43,969.95
  4. Step 4: Simplify right side
    79,779.95x = 4,840,834,710.49
  5. Step 5: Solve for x
    x = 4,840,834,710.49/79,779.95
  6. Step 6: Final answer
    x = 60,677.33

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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.