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Finding the Fourth Proportional to 114,943,903.60, 172,415,855.40 and 110,408,940.40

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Solution

The fourth proportional to 114,943,903.60, 172,415,855.40 and 110,408,940.40 is: 165,613,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,943,903.60 : 172,415,855.40 = 110,408,940.40 : x
  2. Step 2: Convert to fraction form
    114,943,903.60/172,415,855.40 = 110,408,940.40/x
  3. Step 3: Cross multiply
    114,943,903.60x = 172,415,855.40 × 110,408,940.40
  4. Step 4: Simplify right side
    114,943,903.60x = 19,036,251,902,873,620
  5. Step 5: Solve for x
    x = 19,036,251,902,873,620/114,943,903.60
  6. Step 6: Final answer
    x = 165,613,410.60

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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.