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Finding the Fourth Proportional to 170,006,720.70, 238,462,905.30 and 170,006,720.70

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Solution

The fourth proportional to 170,006,720.70, 238,462,905.30 and 170,006,720.70 is: 238,462,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,006,720.70 : 238,462,905.30 = 170,006,720.70 : x
  2. Step 2: Convert to fraction form
    170,006,720.70/238,462,905.30 = 170,006,720.70/x
  3. Step 3: Cross multiply
    170,006,720.70x = 238,462,905.30 × 170,006,720.70
  4. Step 4: Simplify right side
    170,006,720.70x = 40,540,296,538,647,648
  5. Step 5: Solve for x
    x = 40,540,296,538,647,648/170,006,720.70
  6. Step 6: Final answer
    x = 238,462,905.30

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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.