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Finding the Fourth Proportional to 270,953.82, 373,929.48 and 163,521.90

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Solution

The fourth proportional to 270,953.82, 373,929.48 and 163,521.90 is: 225,668.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,953.82 : 373,929.48 = 163,521.90 : x
  2. Step 2: Convert to fraction form
    270,953.82/373,929.48 = 163,521.90/x
  3. Step 3: Cross multiply
    270,953.82x = 373,929.48 × 163,521.90
  4. Step 4: Simplify right side
    270,953.82x = 61,145,659,035.61
  5. Step 5: Solve for x
    x = 61,145,659,035.61/270,953.82
  6. Step 6: Final answer
    x = 225,668.19

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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.