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Finding the Fourth Proportional to 236,641,317.15, 354,290,129.33 and 236,641,317.15

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Solution

The fourth proportional to 236,641,317.15, 354,290,129.33 and 236,641,317.15 is: 354,290,129.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,641,317.15 : 354,290,129.33 = 236,641,317.15 : x
  2. Step 2: Convert to fraction form
    236,641,317.15/354,290,129.33 = 236,641,317.15/x
  3. Step 3: Cross multiply
    236,641,317.15x = 354,290,129.33 × 236,641,317.15
  4. Step 4: Simplify right side
    236,641,317.15x = 83,839,682,856,711,840
  5. Step 5: Solve for x
    x = 83,839,682,856,711,840/236,641,317.15
  6. Step 6: Final answer
    x = 354,290,129.33

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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.