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Finding the Fourth Proportional to 220,459.52, 304,232.64 and 119,857.52

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Solution

The fourth proportional to 220,459.52, 304,232.64 and 119,857.52 is: 165,402.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,459.52 : 304,232.64 = 119,857.52 : x
  2. Step 2: Convert to fraction form
    220,459.52/304,232.64 = 119,857.52/x
  3. Step 3: Cross multiply
    220,459.52x = 304,232.64 × 119,857.52
  4. Step 4: Simplify right side
    220,459.52x = 36,464,569,733.45
  5. Step 5: Solve for x
    x = 36,464,569,733.45/220,459.52
  6. Step 6: Final answer
    x = 165,402.56

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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.