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Finding the Fourth Proportional to 141,107,347.40, 211,661,021.10 and 141,107,347.40

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Solution

The fourth proportional to 141,107,347.40, 211,661,021.10 and 141,107,347.40 is: 211,661,021.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,107,347.40 : 211,661,021.10 = 141,107,347.40 : x
  2. Step 2: Convert to fraction form
    141,107,347.40/211,661,021.10 = 141,107,347.40/x
  3. Step 3: Cross multiply
    141,107,347.40x = 211,661,021.10 × 141,107,347.40
  4. Step 4: Simplify right side
    141,107,347.40x = 29,866,925,235,396,432
  5. Step 5: Solve for x
    x = 29,866,925,235,396,432/141,107,347.40
  6. Step 6: Final answer
    x = 211,661,021.10

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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.