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Finding the Fourth Proportional to 94,682.85, 130,676.49 and 60,729.63

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Solution

The fourth proportional to 94,682.85, 130,676.49 and 60,729.63 is: 83,815.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,682.85 : 130,676.49 = 60,729.63 : x
  2. Step 2: Convert to fraction form
    94,682.85/130,676.49 = 60,729.63/x
  3. Step 3: Cross multiply
    94,682.85x = 130,676.49 × 60,729.63
  4. Step 4: Simplify right side
    94,682.85x = 7,935,934,887.40
  5. Step 5: Solve for x
    x = 7,935,934,887.40/94,682.85
  6. Step 6: Final answer
    x = 83,815.97

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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.