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Finding the Fourth Proportional to 104,027.70, 156,041.55 and 41,742.90

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Solution

The fourth proportional to 104,027.70, 156,041.55 and 41,742.90 is: 62,614.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,027.70 : 156,041.55 = 41,742.90 : x
  2. Step 2: Convert to fraction form
    104,027.70/156,041.55 = 41,742.90/x
  3. Step 3: Cross multiply
    104,027.70x = 156,041.55 × 41,742.90
  4. Step 4: Simplify right side
    104,027.70x = 6,513,626,817.50
  5. Step 5: Solve for x
    x = 6,513,626,817.50/104,027.70
  6. Step 6: Final answer
    x = 62,614.35

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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.