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Finding the Fourth Proportional to 215,012.82, 296,715.48 and 119,517.48

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Solution

The fourth proportional to 215,012.82, 296,715.48 and 119,517.48 is: 164,932.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,012.82 : 296,715.48 = 119,517.48 : x
  2. Step 2: Convert to fraction form
    215,012.82/296,715.48 = 119,517.48/x
  3. Step 3: Cross multiply
    215,012.82x = 296,715.48 × 119,517.48
  4. Step 4: Simplify right side
    215,012.82x = 35,462,686,446.59
  5. Step 5: Solve for x
    x = 35,462,686,446.59/215,012.82
  6. Step 6: Final answer
    x = 164,932.89

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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.