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Finding the Fourth Proportional to 69,014,262.80, 103,433,476.80 and 36,681,654.80

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Solution

The fourth proportional to 69,014,262.80, 103,433,476.80 and 36,681,654.80 is: 54,975,753.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,014,262.80 : 103,433,476.80 = 36,681,654.80 : x
  2. Step 2: Convert to fraction form
    69,014,262.80/103,433,476.80 = 36,681,654.80/x
  3. Step 3: Cross multiply
    69,014,262.80x = 103,433,476.80 × 36,681,654.80
  4. Step 4: Simplify right side
    69,014,262.80x = 3,794,111,090,741,408
  5. Step 5: Solve for x
    x = 3,794,111,090,741,408/69,014,262.80
  6. Step 6: Final answer
    x = 54,975,753.37

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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.