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Finding the Fourth Proportional to 108,559.52, 162,842.44 and 92,664.32

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Solution

The fourth proportional to 108,559.52, 162,842.44 and 92,664.32 is: 138,999.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,559.52 : 162,842.44 = 92,664.32 : x
  2. Step 2: Convert to fraction form
    108,559.52/162,842.44 = 92,664.32/x
  3. Step 3: Cross multiply
    108,559.52x = 162,842.44 × 92,664.32
  4. Step 4: Simplify right side
    108,559.52x = 15,089,683,969.74
  5. Step 5: Solve for x
    x = 15,089,683,969.74/108,559.52
  6. Step 6: Final answer
    x = 138,999.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.