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Finding the Fourth Proportional to 254,556.73, 351,267.72 and 147,133.72

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Solution

The fourth proportional to 254,556.73, 351,267.72 and 147,133.72 is: 203,032.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,556.73 : 351,267.72 = 147,133.72 : x
  2. Step 2: Convert to fraction form
    254,556.73/351,267.72 = 147,133.72/x
  3. Step 3: Cross multiply
    254,556.73x = 351,267.72 × 147,133.72
  4. Step 4: Simplify right side
    254,556.73x = 51,683,326,359.52
  5. Step 5: Solve for x
    x = 51,683,326,359.52/254,556.73
  6. Step 6: Final answer
    x = 203,032.65

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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.