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Finding the Fourth Proportional to 123,524.56, 184,752.60 and 72,802.96

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Solution

The fourth proportional to 123,524.56, 184,752.60 and 72,802.96 is: 108,889.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,524.56 : 184,752.60 = 72,802.96 : x
  2. Step 2: Convert to fraction form
    123,524.56/184,752.60 = 72,802.96/x
  3. Step 3: Cross multiply
    123,524.56x = 184,752.60 × 72,802.96
  4. Step 4: Simplify right side
    123,524.56x = 13,450,536,147.70
  5. Step 5: Solve for x
    x = 13,450,536,147.70/123,524.56
  6. Step 6: Final answer
    x = 108,889.57

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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.