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Finding the Fourth Proportional to 222,457.49, 307,010.24 and 125,679.12

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Solution

The fourth proportional to 222,457.49, 307,010.24 and 125,679.12 is: 173,447.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,457.49 : 307,010.24 = 125,679.12 : x
  2. Step 2: Convert to fraction form
    222,457.49/307,010.24 = 125,679.12/x
  3. Step 3: Cross multiply
    222,457.49x = 307,010.24 × 125,679.12
  4. Step 4: Simplify right side
    222,457.49x = 38,584,776,165.79
  5. Step 5: Solve for x
    x = 38,584,776,165.79/222,457.49
  6. Step 6: Final answer
    x = 173,447.87

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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.