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Finding the Fourth Proportional to 79,762.88, 110,072.30 and 43,464.26

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Solution

The fourth proportional to 79,762.88, 110,072.30 and 43,464.26 is: 59,980.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,762.88 : 110,072.30 = 43,464.26 : x
  2. Step 2: Convert to fraction form
    79,762.88/110,072.30 = 43,464.26/x
  3. Step 3: Cross multiply
    79,762.88x = 110,072.30 × 43,464.26
  4. Step 4: Simplify right side
    79,762.88x = 4,784,210,298.32
  5. Step 5: Solve for x
    x = 4,784,210,298.32/79,762.88
  6. Step 6: Final answer
    x = 59,980.41

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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.