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Finding the Fourth Proportional to 224,485.56, 309,788.55 and 123,883.56

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Solution

The fourth proportional to 224,485.56, 309,788.55 and 123,883.56 is: 170,958.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,485.56 : 309,788.55 = 123,883.56 : x
  2. Step 2: Convert to fraction form
    224,485.56/309,788.55 = 123,883.56/x
  3. Step 3: Cross multiply
    224,485.56x = 309,788.55 × 123,883.56
  4. Step 4: Simplify right side
    224,485.56x = 38,377,708,421.24
  5. Step 5: Solve for x
    x = 38,377,708,421.24/224,485.56
  6. Step 6: Final answer
    x = 170,958.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.