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Finding the Fourth Proportional to 108,833.70, 163,031.85 and 73,404.30

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Solution

The fourth proportional to 108,833.70, 163,031.85 and 73,404.30 is: 109,958.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,833.70 : 163,031.85 = 73,404.30 : x
  2. Step 2: Convert to fraction form
    108,833.70/163,031.85 = 73,404.30/x
  3. Step 3: Cross multiply
    108,833.70x = 163,031.85 × 73,404.30
  4. Step 4: Simplify right side
    108,833.70x = 11,967,238,826.96
  5. Step 5: Solve for x
    x = 11,967,238,826.96/108,833.70
  6. Step 6: Final answer
    x = 109,958.94

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1.5x scale

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.