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Finding the Fourth Proportional to 123,475.56, 185,213.34 and 29,980.68

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Solution

The fourth proportional to 123,475.56, 185,213.34 and 29,980.68 is: 44,971.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,475.56 : 185,213.34 = 29,980.68 : x
  2. Step 2: Convert to fraction form
    123,475.56/185,213.34 = 29,980.68/x
  3. Step 3: Cross multiply
    123,475.56x = 185,213.34 × 29,980.68
  4. Step 4: Simplify right side
    123,475.56x = 5,552,821,878.27
  5. Step 5: Solve for x
    x = 5,552,821,878.27/123,475.56
  6. Step 6: Final answer
    x = 44,971.02

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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.