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Finding the Fourth Proportional to 153,850.20, 230,775.30 and 127,930.20

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Solution

The fourth proportional to 153,850.20, 230,775.30 and 127,930.20 is: 191,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,850.20 : 230,775.30 = 127,930.20 : x
  2. Step 2: Convert to fraction form
    153,850.20/230,775.30 = 127,930.20/x
  3. Step 3: Cross multiply
    153,850.20x = 230,775.30 × 127,930.20
  4. Step 4: Simplify right side
    153,850.20x = 29,523,130,284.06
  5. Step 5: Solve for x
    x = 29,523,130,284.06/153,850.20
  6. Step 6: Final answer
    x = 191,895.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.