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Finding the Fourth Proportional to 110,634,847.20, 154,586,455.20 and 110,634,847.20

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Solution

The fourth proportional to 110,634,847.20, 154,586,455.20 and 110,634,847.20 is: 154,586,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,634,847.20 : 154,586,455.20 = 110,634,847.20 : x
  2. Step 2: Convert to fraction form
    110,634,847.20/154,586,455.20 = 110,634,847.20/x
  3. Step 3: Cross multiply
    110,634,847.20x = 154,586,455.20 × 110,634,847.20
  4. Step 4: Simplify right side
    110,634,847.20x = 17,102,648,850,241,644
  5. Step 5: Solve for x
    x = 17,102,648,850,241,644/110,634,847.20
  6. Step 6: Final answer
    x = 154,586,455.20

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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.