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Finding the Fourth Proportional to 133,826.56, 184,290.56 and 125,278.72

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Solution

The fourth proportional to 133,826.56, 184,290.56 and 125,278.72 is: 172,519.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,826.56 : 184,290.56 = 125,278.72 : x
  2. Step 2: Convert to fraction form
    133,826.56/184,290.56 = 125,278.72/x
  3. Step 3: Cross multiply
    133,826.56x = 184,290.56 × 125,278.72
  4. Step 4: Simplify right side
    133,826.56x = 23,087,685,464.88
  5. Step 5: Solve for x
    x = 23,087,685,464.88/133,826.56
  6. Step 6: Final answer
    x = 172,519.46

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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.