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Finding the Fourth Proportional to 108,461.31, 162,683.76 and 33,582.08

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Solution

The fourth proportional to 108,461.31, 162,683.76 and 33,582.08 is: 50,370.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,461.31 : 162,683.76 = 33,582.08 : x
  2. Step 2: Convert to fraction form
    108,461.31/162,683.76 = 33,582.08/x
  3. Step 3: Cross multiply
    108,461.31x = 162,683.76 × 33,582.08
  4. Step 4: Simplify right side
    108,461.31x = 5,463,258,229.60
  5. Step 5: Solve for x
    x = 5,463,258,229.60/108,461.31
  6. Step 6: Final answer
    x = 50,370.57

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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.