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Finding the Fourth Proportional to 262,243.54, 361,953.39 and 166,731.58

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Solution

The fourth proportional to 262,243.54, 361,953.39 and 166,731.58 is: 230,126.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,243.54 : 361,953.39 = 166,731.58 : x
  2. Step 2: Convert to fraction form
    262,243.54/361,953.39 = 166,731.58/x
  3. Step 3: Cross multiply
    262,243.54x = 361,953.39 × 166,731.58
  4. Step 4: Simplify right side
    262,243.54x = 60,349,060,601.06
  5. Step 5: Solve for x
    x = 60,349,060,601.06/262,243.54
  6. Step 6: Final answer
    x = 230,126.01

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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.