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Finding the Fourth Proportional to 125,346,504.80, 188,019,757.20 and 125,346,504.80

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Solution

The fourth proportional to 125,346,504.80, 188,019,757.20 and 125,346,504.80 is: 188,019,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,346,504.80 : 188,019,757.20 = 125,346,504.80 : x
  2. Step 2: Convert to fraction form
    125,346,504.80/188,019,757.20 = 125,346,504.80/x
  3. Step 3: Cross multiply
    125,346,504.80x = 188,019,757.20 × 125,346,504.80
  4. Step 4: Simplify right side
    125,346,504.80x = 23,567,619,398,364,632
  5. Step 5: Solve for x
    x = 23,567,619,398,364,632/125,346,504.80
  6. Step 6: Final answer
    x = 188,019,757.20

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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.