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Finding the Fourth Proportional to 108,534.60, 162,801.90 and 95,412.60

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Solution

The fourth proportional to 108,534.60, 162,801.90 and 95,412.60 is: 143,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,534.60 : 162,801.90 = 95,412.60 : x
  2. Step 2: Convert to fraction form
    108,534.60/162,801.90 = 95,412.60/x
  3. Step 3: Cross multiply
    108,534.60x = 162,801.90 × 95,412.60
  4. Step 4: Simplify right side
    108,534.60x = 15,533,352,563.94
  5. Step 5: Solve for x
    x = 15,533,352,563.94/108,534.60
  6. Step 6: Final answer
    x = 143,118.90

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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.