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Finding the Fourth Proportional to 94,604.40, 141,906.60 and 77,691.60

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Solution

The fourth proportional to 94,604.40, 141,906.60 and 77,691.60 is: 116,537.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,604.40 : 141,906.60 = 77,691.60 : x
  2. Step 2: Convert to fraction form
    94,604.40/141,906.60 = 77,691.60/x
  3. Step 3: Cross multiply
    94,604.40x = 141,906.60 × 77,691.60
  4. Step 4: Simplify right side
    94,604.40x = 11,024,950,804.56
  5. Step 5: Solve for x
    x = 11,024,950,804.56/94,604.40
  6. Step 6: Final answer
    x = 116,537.40

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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.