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Finding the Fourth Proportional to 108,141.60, 162,212.40 and 101,580.60

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Solution

The fourth proportional to 108,141.60, 162,212.40 and 101,580.60 is: 152,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,141.60 : 162,212.40 = 101,580.60 : x
  2. Step 2: Convert to fraction form
    108,141.60/162,212.40 = 101,580.60/x
  3. Step 3: Cross multiply
    108,141.60x = 162,212.40 × 101,580.60
  4. Step 4: Simplify right side
    108,141.60x = 16,477,632,919.44
  5. Step 5: Solve for x
    x = 16,477,632,919.44/108,141.60
  6. Step 6: Final answer
    x = 152,370.90

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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.