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Finding the Fourth Proportional to 79,254.70, 109,370.79 and 43,444.60

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Solution

The fourth proportional to 79,254.70, 109,370.79 and 43,444.60 is: 59,953.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,254.70 : 109,370.79 = 43,444.60 : x
  2. Step 2: Convert to fraction form
    79,254.70/109,370.79 = 43,444.60/x
  3. Step 3: Cross multiply
    79,254.70x = 109,370.79 × 43,444.60
  4. Step 4: Simplify right side
    79,254.70x = 4,751,570,223.23
  5. Step 5: Solve for x
    x = 4,751,570,223.23/79,254.70
  6. Step 6: Final answer
    x = 59,953.17

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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.