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Finding the Fourth Proportional to 99,673,968.20, 149,175,029.10 and 99,673,968.20

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Solution

The fourth proportional to 99,673,968.20, 149,175,029.10 and 99,673,968.20 is: 149,175,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,673,968.20 : 149,175,029.10 = 99,673,968.20 : x
  2. Step 2: Convert to fraction form
    99,673,968.20/149,175,029.10 = 99,673,968.20/x
  3. Step 3: Cross multiply
    99,673,968.20x = 149,175,029.10 × 99,673,968.20
  4. Step 4: Simplify right side
    99,673,968.20x = 14,868,867,106,747,474
  5. Step 5: Solve for x
    x = 14,868,867,106,747,474/99,673,968.20
  6. Step 6: Final answer
    x = 149,175,029.10

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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.