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Finding the Fourth Proportional to 158,976,332.20, 238,464,498.30 and 158,976,332.20

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Solution

The fourth proportional to 158,976,332.20, 238,464,498.30 and 158,976,332.20 is: 238,464,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,976,332.20 : 238,464,498.30 = 158,976,332.20 : x
  2. Step 2: Convert to fraction form
    158,976,332.20/238,464,498.30 = 158,976,332.20/x
  3. Step 3: Cross multiply
    158,976,332.20x = 238,464,498.30 × 158,976,332.20
  4. Step 4: Simplify right side
    158,976,332.20x = 37,910,211,299,647,136
  5. Step 5: Solve for x
    x = 37,910,211,299,647,136/158,976,332.20
  6. Step 6: Final answer
    x = 238,464,498.30

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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.