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Finding the Fourth Proportional to 47,782,169.88, 65,944,453.88 and 29,208,182.32

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Solution

The fourth proportional to 47,782,169.88, 65,944,453.88 and 29,208,182.32 is: 40,310,384.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,782,169.88 : 65,944,453.88 = 29,208,182.32 : x
  2. Step 2: Convert to fraction form
    47,782,169.88/65,944,453.88 = 29,208,182.32/x
  3. Step 3: Cross multiply
    47,782,169.88x = 65,944,453.88 × 29,208,182.32
  4. Step 4: Simplify right side
    47,782,169.88x = 1,926,117,631,919,871.50
  5. Step 5: Solve for x
    x = 1,926,117,631,919,871.50/47,782,169.88
  6. Step 6: Final answer
    x = 40,310,384.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.