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Finding the Fourth Proportional to 108,536.55, 162,750.15 and 64,176.90

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Solution

The fourth proportional to 108,536.55, 162,750.15 and 64,176.90 is: 96,233.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,536.55 : 162,750.15 = 64,176.90 : x
  2. Step 2: Convert to fraction form
    108,536.55/162,750.15 = 64,176.90/x
  3. Step 3: Cross multiply
    108,536.55x = 162,750.15 × 64,176.90
  4. Step 4: Simplify right side
    108,536.55x = 10,444,800,101.54
  5. Step 5: Solve for x
    x = 10,444,800,101.54/108,536.55
  6. Step 6: Final answer
    x = 96,233.02

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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.