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Finding the Fourth Proportional to 222,459.75, 307,037.12 and 173,965.59

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Solution

The fourth proportional to 222,459.75, 307,037.12 and 173,965.59 is: 240,105.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,459.75 : 307,037.12 = 173,965.59 : x
  2. Step 2: Convert to fraction form
    222,459.75/307,037.12 = 173,965.59/x
  3. Step 3: Cross multiply
    222,459.75x = 307,037.12 × 173,965.59
  4. Step 4: Simplify right side
    222,459.75x = 53,413,892,862.87
  5. Step 5: Solve for x
    x = 53,413,892,862.87/222,459.75
  6. Step 6: Final answer
    x = 240,105.87

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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.