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Finding the Fourth Proportional to 104,497.90, 156,746.85 and 103,914.70

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Solution

The fourth proportional to 104,497.90, 156,746.85 and 103,914.70 is: 155,872.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,497.90 : 156,746.85 = 103,914.70 : x
  2. Step 2: Convert to fraction form
    104,497.90/156,746.85 = 103,914.70/x
  3. Step 3: Cross multiply
    104,497.90x = 156,746.85 × 103,914.70
  4. Step 4: Simplify right side
    104,497.90x = 16,288,301,893.70
  5. Step 5: Solve for x
    x = 16,288,301,893.70/104,497.90
  6. Step 6: Final answer
    x = 155,872.05

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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.