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Finding the Fourth Proportional to 141,129,025.40, 211,693,538.10 and 141,129,025.40

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Solution

The fourth proportional to 141,129,025.40, 211,693,538.10 and 141,129,025.40 is: 211,693,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,129,025.40 : 211,693,538.10 = 141,129,025.40 : x
  2. Step 2: Convert to fraction form
    141,129,025.40/211,693,538.10 = 141,129,025.40/x
  3. Step 3: Cross multiply
    141,129,025.40x = 211,693,538.10 × 141,129,025.40
  4. Step 4: Simplify right side
    141,129,025.40x = 29,876,102,715,530,768
  5. Step 5: Solve for x
    x = 29,876,102,715,530,768/141,129,025.40
  6. Step 6: Final answer
    x = 211,693,538.10

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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.