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Finding the Fourth Proportional to 361,753.46, 542,556.30 and 137,036.42

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Solution

The fourth proportional to 361,753.46, 542,556.30 and 137,036.42 is: 205,526.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,753.46 : 542,556.30 = 137,036.42 : x
  2. Step 2: Convert to fraction form
    361,753.46/542,556.30 = 137,036.42/x
  3. Step 3: Cross multiply
    361,753.46x = 542,556.30 × 137,036.42
  4. Step 4: Simplify right side
    361,753.46x = 74,349,973,000.45
  5. Step 5: Solve for x
    x = 74,349,973,000.45/361,753.46
  6. Step 6: Final answer
    x = 205,526.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.