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Finding the Fourth Proportional to 158,388.36, 237,580 and 38,446.30

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Solution

The fourth proportional to 158,388.36, 237,580 and 38,446.30 is: 57,668.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,388.36 : 237,580 = 38,446.30 : x
  2. Step 2: Convert to fraction form
    158,388.36/237,580 = 38,446.30/x
  3. Step 3: Cross multiply
    158,388.36x = 237,580 × 38,446.30
  4. Step 4: Simplify right side
    158,388.36x = 9,134,071,954
  5. Step 5: Solve for x
    x = 9,134,071,954/158,388.36
  6. Step 6: Final answer
    x = 57,668.83

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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.