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Finding the Fourth Proportional to 106,704,015.40, 149,788,729.40 and 106,704,015.40

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Solution

The fourth proportional to 106,704,015.40, 149,788,729.40 and 106,704,015.40 is: 149,788,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,704,015.40 : 149,788,729.40 = 106,704,015.40 : x
  2. Step 2: Convert to fraction form
    106,704,015.40/149,788,729.40 = 106,704,015.40/x
  3. Step 3: Cross multiply
    106,704,015.40x = 149,788,729.40 × 106,704,015.40
  4. Step 4: Simplify right side
    106,704,015.40x = 15,983,058,888,644,034
  5. Step 5: Solve for x
    x = 15,983,058,888,644,034/106,704,015.40
  6. Step 6: Final answer
    x = 149,788,729.40

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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.