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Finding the Fourth Proportional to 158,980.60, 238,470.90 and 158,980.60

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Solution

The fourth proportional to 158,980.60, 238,470.90 and 158,980.60 is: 238,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,980.60 : 238,470.90 = 158,980.60 : x
  2. Step 2: Convert to fraction form
    158,980.60/238,470.90 = 158,980.60/x
  3. Step 3: Cross multiply
    158,980.60x = 238,470.90 × 158,980.60
  4. Step 4: Simplify right side
    158,980.60x = 37,912,246,764.54
  5. Step 5: Solve for x
    x = 37,912,246,764.54/158,980.60
  6. Step 6: Final answer
    x = 238,470.90

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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.