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Finding the Fourth Proportional to 141,036,809.30, 211,555,213.95 and 141,036,809.30

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Solution

The fourth proportional to 141,036,809.30, 211,555,213.95 and 141,036,809.30 is: 211,555,213.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,036,809.30 : 211,555,213.95 = 141,036,809.30 : x
  2. Step 2: Convert to fraction form
    141,036,809.30/211,555,213.95 = 141,036,809.30/x
  3. Step 3: Cross multiply
    141,036,809.30x = 211,555,213.95 × 141,036,809.30
  4. Step 4: Simplify right side
    141,036,809.30x = 29,837,072,366,286,852
  5. Step 5: Solve for x
    x = 29,837,072,366,286,852/141,036,809.30
  6. Step 6: Final answer
    x = 211,555,213.95

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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.