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Finding the Fourth Proportional to 158,979.60, 238,469.40 and 158,979.60

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Solution

The fourth proportional to 158,979.60, 238,469.40 and 158,979.60 is: 238,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,979.60 : 238,469.40 = 158,979.60 : x
  2. Step 2: Convert to fraction form
    158,979.60/238,469.40 = 158,979.60/x
  3. Step 3: Cross multiply
    158,979.60x = 238,469.40 × 158,979.60
  4. Step 4: Simplify right side
    158,979.60x = 37,911,769,824.24
  5. Step 5: Solve for x
    x = 37,911,769,824.24/158,979.60
  6. Step 6: Final answer
    x = 238,469.40

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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.