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Finding the Fourth Proportional to 69,986,231.40, 97,753,975.80 and 69,986,231.40

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Solution

The fourth proportional to 69,986,231.40, 97,753,975.80 and 69,986,231.40 is: 97,753,975.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,986,231.40 : 97,753,975.80 = 69,986,231.40 : x
  2. Step 2: Convert to fraction form
    69,986,231.40/97,753,975.80 = 69,986,231.40/x
  3. Step 3: Cross multiply
    69,986,231.40x = 97,753,975.80 × 69,986,231.40
  4. Step 4: Simplify right side
    69,986,231.40x = 6,841,432,370,608,800
  5. Step 5: Solve for x
    x = 6,841,432,370,608,800/69,986,231.40
  6. Step 6: Final answer
    x = 97,753,975.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.