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Finding the Fourth Proportional to 222,563.82, 307,160.05 and 127,084.87

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Solution

The fourth proportional to 222,563.82, 307,160.05 and 127,084.87 is: 175,389.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,563.82 : 307,160.05 = 127,084.87 : x
  2. Step 2: Convert to fraction form
    222,563.82/307,160.05 = 127,084.87/x
  3. Step 3: Cross multiply
    222,563.82x = 307,160.05 × 127,084.87
  4. Step 4: Simplify right side
    222,563.82x = 39,035,395,023.44
  5. Step 5: Solve for x
    x = 39,035,395,023.44/222,563.82
  6. Step 6: Final answer
    x = 175,389.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.