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Finding the Fourth Proportional to 94,494.60, 141,690.70 and 39,096.20

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Solution

The fourth proportional to 94,494.60, 141,690.70 and 39,096.20 is: 58,623.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,494.60 : 141,690.70 = 39,096.20 : x
  2. Step 2: Convert to fraction form
    94,494.60/141,690.70 = 39,096.20/x
  3. Step 3: Cross multiply
    94,494.60x = 141,690.70 × 39,096.20
  4. Step 4: Simplify right side
    94,494.60x = 5,539,567,945.34
  5. Step 5: Solve for x
    x = 5,539,567,945.34/94,494.60
  6. Step 6: Final answer
    x = 58,623.12

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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.