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Finding the Fourth Proportional to 625,120.82, 937,668.27 and 151,808.66

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Solution

The fourth proportional to 625,120.82, 937,668.27 and 151,808.66 is: 227,709.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,120.82 : 937,668.27 = 151,808.66 : x
  2. Step 2: Convert to fraction form
    625,120.82/937,668.27 = 151,808.66/x
  3. Step 3: Cross multiply
    625,120.82x = 937,668.27 × 151,808.66
  4. Step 4: Simplify right side
    625,120.82x = 142,346,163,593.22
  5. Step 5: Solve for x
    x = 142,346,163,593.22/625,120.82
  6. Step 6: Final answer
    x = 227,709.84

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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.