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Finding the Fourth Proportional to 231,388.40, 346,499.40 and 152,073.20

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Solution

The fourth proportional to 231,388.40, 346,499.40 and 152,073.20 is: 227,726.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,388.40 : 346,499.40 = 152,073.20 : x
  2. Step 2: Convert to fraction form
    231,388.40/346,499.40 = 152,073.20/x
  3. Step 3: Cross multiply
    231,388.40x = 346,499.40 × 152,073.20
  4. Step 4: Simplify right side
    231,388.40x = 52,693,272,556.08
  5. Step 5: Solve for x
    x = 52,693,272,556.08/231,388.40
  6. Step 6: Final answer
    x = 227,726.51

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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.