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Finding the Fourth Proportional to 104,655.26, 156,982.92 and 30,783.26

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Solution

The fourth proportional to 104,655.26, 156,982.92 and 30,783.26 is: 46,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,655.26 : 156,982.92 = 30,783.26 : x
  2. Step 2: Convert to fraction form
    104,655.26/156,982.92 = 30,783.26/x
  3. Step 3: Cross multiply
    104,655.26x = 156,982.92 × 30,783.26
  4. Step 4: Simplify right side
    104,655.26x = 4,832,446,041.92
  5. Step 5: Solve for x
    x = 4,832,446,041.92/104,655.26
  6. Step 6: Final answer
    x = 46,174.90

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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.