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Finding the Fourth Proportional to 153,609.60, 230,560.20 and 94,560.60

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Solution

The fourth proportional to 153,609.60, 230,560.20 and 94,560.60 is: 141,930.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,609.60 : 230,560.20 = 94,560.60 : x
  2. Step 2: Convert to fraction form
    153,609.60/230,560.20 = 94,560.60/x
  3. Step 3: Cross multiply
    153,609.60x = 230,560.20 × 94,560.60
  4. Step 4: Simplify right side
    153,609.60x = 21,801,910,848.12
  5. Step 5: Solve for x
    x = 21,801,910,848.12/153,609.60
  6. Step 6: Final answer
    x = 141,930.65

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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.