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Finding the Fourth Proportional to 153,713.60, 230,181.60 and 122,609.60

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Solution

The fourth proportional to 153,713.60, 230,181.60 and 122,609.60 is: 183,604.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,713.60 : 230,181.60 = 122,609.60 : x
  2. Step 2: Convert to fraction form
    153,713.60/230,181.60 = 122,609.60/x
  3. Step 3: Cross multiply
    153,713.60x = 230,181.60 × 122,609.60
  4. Step 4: Simplify right side
    153,713.60x = 28,222,473,903.36
  5. Step 5: Solve for x
    x = 28,222,473,903.36/153,713.60
  6. Step 6: Final answer
    x = 183,604.27

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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.