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Finding the Fourth Proportional to 222,546.29, 307,114.05 and 130,647.59

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Solution

The fourth proportional to 222,546.29, 307,114.05 and 130,647.59 is: 180,293.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,546.29 : 307,114.05 = 130,647.59 : x
  2. Step 2: Convert to fraction form
    222,546.29/307,114.05 = 130,647.59/x
  3. Step 3: Cross multiply
    222,546.29x = 307,114.05 × 130,647.59
  4. Step 4: Simplify right side
    222,546.29x = 40,123,708,952.07
  5. Step 5: Solve for x
    x = 40,123,708,952.07/222,546.29
  6. Step 6: Final answer
    x = 180,293.77

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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.