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Finding the Fourth Proportional to 104,224.50, 156,345.39 and 30,352.50

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Solution

The fourth proportional to 104,224.50, 156,345.39 and 30,352.50 is: 45,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,224.50 : 156,345.39 = 30,352.50 : x
  2. Step 2: Convert to fraction form
    104,224.50/156,345.39 = 30,352.50/x
  3. Step 3: Cross multiply
    104,224.50x = 156,345.39 × 30,352.50
  4. Step 4: Simplify right side
    104,224.50x = 4,745,473,449.98
  5. Step 5: Solve for x
    x = 4,745,473,449.98/104,224.50
  6. Step 6: Final answer
    x = 45,531.27

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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.