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Finding the Fourth Proportional to 94,575.40, 141,863.10 and 77,662.60

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Solution

The fourth proportional to 94,575.40, 141,863.10 and 77,662.60 is: 116,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,575.40 : 141,863.10 = 77,662.60 : x
  2. Step 2: Convert to fraction form
    94,575.40/141,863.10 = 77,662.60/x
  3. Step 3: Cross multiply
    94,575.40x = 141,863.10 × 77,662.60
  4. Step 4: Simplify right side
    94,575.40x = 11,017,457,190.06
  5. Step 5: Solve for x
    x = 11,017,457,190.06/94,575.40
  6. Step 6: Final answer
    x = 116,493.90

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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.