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Finding the Fourth Proportional to 171,010,267.20, 239,112,043.20 and 171,010,267.20

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Solution

The fourth proportional to 171,010,267.20, 239,112,043.20 and 171,010,267.20 is: 239,112,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,010,267.20 : 239,112,043.20 = 171,010,267.20 : x
  2. Step 2: Convert to fraction form
    171,010,267.20/239,112,043.20 = 171,010,267.20/x
  3. Step 3: Cross multiply
    171,010,267.20x = 239,112,043.20 × 171,010,267.20
  4. Step 4: Simplify right side
    171,010,267.20x = 40,890,614,398,369,936
  5. Step 5: Solve for x
    x = 40,890,614,398,369,936/171,010,267.20
  6. Step 6: Final answer
    x = 239,112,043.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.