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Finding the Fourth Proportional to 36,876,133.20, 55,207,911.60 and 36,876,133.20

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Solution

The fourth proportional to 36,876,133.20, 55,207,911.60 and 36,876,133.20 is: 55,207,911.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,876,133.20 : 55,207,911.60 = 36,876,133.20 : x
  2. Step 2: Convert to fraction form
    36,876,133.20/55,207,911.60 = 36,876,133.20/x
  3. Step 3: Cross multiply
    36,876,133.20x = 55,207,911.60 × 36,876,133.20
  4. Step 4: Simplify right side
    36,876,133.20x = 2,035,854,301,855,425.25
  5. Step 5: Solve for x
    x = 2,035,854,301,855,425.25/36,876,133.20
  6. Step 6: Final answer
    x = 55,207,911.60

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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.