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Finding the Fourth Proportional to 164,481,427.80, 246,722,141.70 and 159,698,458.80

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Solution

The fourth proportional to 164,481,427.80, 246,722,141.70 and 159,698,458.80 is: 239,547,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,481,427.80 : 246,722,141.70 = 159,698,458.80 : x
  2. Step 2: Convert to fraction form
    164,481,427.80/246,722,141.70 = 159,698,458.80/x
  3. Step 3: Cross multiply
    164,481,427.80x = 246,722,141.70 × 159,698,458.80
  4. Step 4: Simplify right side
    164,481,427.80x = 39,401,145,781,325,216
  5. Step 5: Solve for x
    x = 39,401,145,781,325,216/164,481,427.80
  6. Step 6: Final answer
    x = 239,547,688.20

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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.