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Finding the Fourth Proportional to 123,207.56, 184,809.72 and 29,712.56

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Solution

The fourth proportional to 123,207.56, 184,809.72 and 29,712.56 is: 44,568.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,207.56 : 184,809.72 = 29,712.56 : x
  2. Step 2: Convert to fraction form
    123,207.56/184,809.72 = 29,712.56/x
  3. Step 3: Cross multiply
    123,207.56x = 184,809.72 × 29,712.56
  4. Step 4: Simplify right side
    123,207.56x = 5,491,169,894.08
  5. Step 5: Solve for x
    x = 5,491,169,894.08/123,207.56
  6. Step 6: Final answer
    x = 44,568.45

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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.