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Finding the Fourth Proportional to 83,670,449.35, 125,505,674.03 and 83,670,449.35

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Solution

The fourth proportional to 83,670,449.35, 125,505,674.03 and 83,670,449.35 is: 125,505,674.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,670,449.35 : 125,505,674.03 = 83,670,449.35 : x
  2. Step 2: Convert to fraction form
    83,670,449.35/125,505,674.03 = 83,670,449.35/x
  3. Step 3: Cross multiply
    83,670,449.35x = 125,505,674.03 × 83,670,449.35
  4. Step 4: Simplify right side
    83,670,449.35x = 10,501,116,141,646,372
  5. Step 5: Solve for x
    x = 10,501,116,141,646,372/83,670,449.35
  6. Step 6: Final answer
    x = 125,505,674.03

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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.