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Finding the Fourth Proportional to 566,765.55, 850,260.45 and 161,961.42

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Solution

The fourth proportional to 566,765.55, 850,260.45 and 161,961.42 is: 242,974.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,765.55 : 850,260.45 = 161,961.42 : x
  2. Step 2: Convert to fraction form
    566,765.55/850,260.45 = 161,961.42/x
  3. Step 3: Cross multiply
    566,765.55x = 850,260.45 × 161,961.42
  4. Step 4: Simplify right side
    566,765.55x = 137,709,389,851.84
  5. Step 5: Solve for x
    x = 137,709,389,851.84/566,765.55
  6. Step 6: Final answer
    x = 242,974.17

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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.