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Finding the Fourth Proportional to 148,462.56, 204,775.56 and 91,840.32

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Solution

The fourth proportional to 148,462.56, 204,775.56 and 91,840.32 is: 126,676.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,462.56 : 204,775.56 = 91,840.32 : x
  2. Step 2: Convert to fraction form
    148,462.56/204,775.56 = 91,840.32/x
  3. Step 3: Cross multiply
    148,462.56x = 204,775.56 × 91,840.32
  4. Step 4: Simplify right side
    148,462.56x = 18,806,652,958.58
  5. Step 5: Solve for x
    x = 18,806,652,958.58/148,462.56
  6. Step 6: Final answer
    x = 126,676.07

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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.