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Finding the Fourth Proportional to 104,498.64, 156,747.96 and 73,472.40

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Solution

The fourth proportional to 104,498.64, 156,747.96 and 73,472.40 is: 110,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,498.64 : 156,747.96 = 73,472.40 : x
  2. Step 2: Convert to fraction form
    104,498.64/156,747.96 = 73,472.40/x
  3. Step 3: Cross multiply
    104,498.64x = 156,747.96 × 73,472.40
  4. Step 4: Simplify right side
    104,498.64x = 11,516,648,816.30
  5. Step 5: Solve for x
    x = 11,516,648,816.30/104,498.64
  6. Step 6: Final answer
    x = 110,208.60

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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.