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Finding the Fourth Proportional to 136,605.60, 204,908.40 and 94,615.20

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Solution

The fourth proportional to 136,605.60, 204,908.40 and 94,615.20 is: 141,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,605.60 : 204,908.40 = 94,615.20 : x
  2. Step 2: Convert to fraction form
    136,605.60/204,908.40 = 94,615.20/x
  3. Step 3: Cross multiply
    136,605.60x = 204,908.40 × 94,615.20
  4. Step 4: Simplify right side
    136,605.60x = 19,387,449,247.68
  5. Step 5: Solve for x
    x = 19,387,449,247.68/136,605.60
  6. Step 6: Final answer
    x = 141,922.80

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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.