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Finding the Fourth Proportional to 227,011.52, 313,285.58 and 126,409.52

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Solution

The fourth proportional to 227,011.52, 313,285.58 and 126,409.52 is: 174,450.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,011.52 : 313,285.58 = 126,409.52 : x
  2. Step 2: Convert to fraction form
    227,011.52/313,285.58 = 126,409.52/x
  3. Step 3: Cross multiply
    227,011.52x = 313,285.58 × 126,409.52
  4. Step 4: Simplify right side
    227,011.52x = 39,602,279,790.72
  5. Step 5: Solve for x
    x = 39,602,279,790.72/227,011.52
  6. Step 6: Final answer
    x = 174,450.53

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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.