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Finding the Fourth Proportional to 141,036,805.05, 211,555,207.58 and 141,036,805.05

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Solution

The fourth proportional to 141,036,805.05, 211,555,207.58 and 141,036,805.05 is: 211,555,207.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,036,805.05 : 211,555,207.58 = 141,036,805.05 : x
  2. Step 2: Convert to fraction form
    141,036,805.05/211,555,207.58 = 141,036,805.05/x
  3. Step 3: Cross multiply
    141,036,805.05x = 211,555,207.58 × 141,036,805.05
  4. Step 4: Simplify right side
    141,036,805.05x = 29,837,070,568,067,560
  5. Step 5: Solve for x
    x = 29,837,070,568,067,560/141,036,805.05
  6. Step 6: Final answer
    x = 211,555,207.58

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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.