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Finding the Fourth Proportional to 361,668.51, 542,528.73 and 95,425.92

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Solution

The fourth proportional to 361,668.51, 542,528.73 and 95,425.92 is: 143,145.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,668.51 : 542,528.73 = 95,425.92 : x
  2. Step 2: Convert to fraction form
    361,668.51/542,528.73 = 95,425.92/x
  3. Step 3: Cross multiply
    361,668.51x = 542,528.73 × 95,425.92
  4. Step 4: Simplify right side
    361,668.51x = 51,771,303,186.68
  5. Step 5: Solve for x
    x = 51,771,303,186.68/361,668.51
  6. Step 6: Final answer
    x = 143,145.73

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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.