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Finding the Fourth Proportional to 79,804.40, 110,125.32 and 43,995.92

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Solution

The fourth proportional to 79,804.40, 110,125.32 and 43,995.92 is: 60,711.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,804.40 : 110,125.32 = 43,995.92 : x
  2. Step 2: Convert to fraction form
    79,804.40/110,125.32 = 43,995.92/x
  3. Step 3: Cross multiply
    79,804.40x = 110,125.32 × 43,995.92
  4. Step 4: Simplify right side
    79,804.40x = 4,845,064,768.69
  5. Step 5: Solve for x
    x = 4,845,064,768.69/79,804.40
  6. Step 6: Final answer
    x = 60,711.75

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1.5x scale

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.