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Finding the Fourth Proportional to 262,243.67, 361,953.56 and 166,731.71

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Solution

The fourth proportional to 262,243.67, 361,953.56 and 166,731.71 is: 230,126.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,243.67 : 361,953.56 = 166,731.71 : x
  2. Step 2: Convert to fraction form
    262,243.67/361,953.56 = 166,731.71/x
  3. Step 3: Cross multiply
    262,243.67x = 361,953.56 × 166,731.71
  4. Step 4: Simplify right side
    262,243.67x = 60,349,134,606.45
  5. Step 5: Solve for x
    x = 60,349,134,606.45/262,243.67
  6. Step 6: Final answer
    x = 230,126.19

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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.