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Finding the Fourth Proportional to 158,668.02, 237,992.31 and 65,171.34

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Solution

The fourth proportional to 158,668.02, 237,992.31 and 65,171.34 is: 97,753.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,668.02 : 237,992.31 = 65,171.34 : x
  2. Step 2: Convert to fraction form
    158,668.02/237,992.31 = 65,171.34/x
  3. Step 3: Cross multiply
    158,668.02x = 237,992.31 × 65,171.34
  4. Step 4: Simplify right side
    158,668.02x = 15,510,277,752.40
  5. Step 5: Solve for x
    x = 15,510,277,752.40/158,668.02
  6. Step 6: Final answer
    x = 97,753.02

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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.