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Finding the Fourth Proportional to 158,950,906.40, 238,426,359.60 and 158,950,906.40

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Solution

The fourth proportional to 158,950,906.40, 238,426,359.60 and 158,950,906.40 is: 238,426,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,950,906.40 : 238,426,359.60 = 158,950,906.40 : x
  2. Step 2: Convert to fraction form
    158,950,906.40/238,426,359.60 = 158,950,906.40/x
  3. Step 3: Cross multiply
    158,950,906.40x = 238,426,359.60 × 158,950,906.40
  4. Step 4: Simplify right side
    158,950,906.40x = 37,898,085,968,072,344
  5. Step 5: Solve for x
    x = 37,898,085,968,072,344/158,950,906.40
  6. Step 6: Final answer
    x = 238,426,359.60

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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.