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Finding the Fourth Proportional to 79,810.58, 110,138.57 and 45,821.26

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Solution

The fourth proportional to 79,810.58, 110,138.57 and 45,821.26 is: 63,233.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,810.58 : 110,138.57 = 45,821.26 : x
  2. Step 2: Convert to fraction form
    79,810.58/110,138.57 = 45,821.26/x
  3. Step 3: Cross multiply
    79,810.58x = 110,138.57 × 45,821.26
  4. Step 4: Simplify right side
    79,810.58x = 5,046,688,132.39
  5. Step 5: Solve for x
    x = 5,046,688,132.39/79,810.58
  6. Step 6: Final answer
    x = 63,233.32

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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.