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Finding the Fourth Proportional to 114,433.56, 157,926.92 and 66,676.77

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Solution

The fourth proportional to 114,433.56, 157,926.92 and 66,676.77 is: 92,018.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,433.56 : 157,926.92 = 66,676.77 : x
  2. Step 2: Convert to fraction form
    114,433.56/157,926.92 = 66,676.77/x
  3. Step 3: Cross multiply
    114,433.56x = 157,926.92 × 66,676.77
  4. Step 4: Simplify right side
    114,433.56x = 10,530,056,588.26
  5. Step 5: Solve for x
    x = 10,530,056,588.26/114,433.56
  6. Step 6: Final answer
    x = 92,018.95

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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.