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Finding the Fourth Proportional to 227,012.63, 313,277.42 and 131,574.68

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Solution

The fourth proportional to 227,012.63, 313,277.42 and 131,574.68 is: 181,573.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,012.63 : 313,277.42 = 131,574.68 : x
  2. Step 2: Convert to fraction form
    227,012.63/313,277.42 = 131,574.68/x
  3. Step 3: Cross multiply
    227,012.63x = 313,277.42 × 131,574.68
  4. Step 4: Simplify right side
    227,012.63x = 41,219,376,225.07
  5. Step 5: Solve for x
    x = 41,219,376,225.07/227,012.63
  6. Step 6: Final answer
    x = 181,573.06

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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.