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Finding the Fourth Proportional to 108,457.44, 162,711.68 and 34,585.44

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Solution

The fourth proportional to 108,457.44, 162,711.68 and 34,585.44 is: 51,886.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,457.44 : 162,711.68 = 34,585.44 : x
  2. Step 2: Convert to fraction form
    108,457.44/162,711.68 = 34,585.44/x
  3. Step 3: Cross multiply
    108,457.44x = 162,711.68 × 34,585.44
  4. Step 4: Simplify right side
    108,457.44x = 5,627,455,045.94
  5. Step 5: Solve for x
    x = 5,627,455,045.94/108,457.44
  6. Step 6: Final answer
    x = 51,886.30

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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.