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Finding the Fourth Proportional to 255,576.05, 352,696.37 and 148,209.81

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Solution

The fourth proportional to 255,576.05, 352,696.37 and 148,209.81 is: 204,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,576.05 : 352,696.37 = 148,209.81 : x
  2. Step 2: Convert to fraction form
    255,576.05/352,696.37 = 148,209.81/x
  3. Step 3: Cross multiply
    255,576.05x = 352,696.37 × 148,209.81
  4. Step 4: Simplify right side
    255,576.05x = 52,273,061,985.39
  5. Step 5: Solve for x
    x = 52,273,061,985.39/255,576.05
  6. Step 6: Final answer
    x = 204,530.36

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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.