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Finding the Fourth Proportional to 69,124,369.20, 103,686,553.80 and 61,734,058.80

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Solution

The fourth proportional to 69,124,369.20, 103,686,553.80 and 61,734,058.80 is: 92,601,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,124,369.20 : 103,686,553.80 = 61,734,058.80 : x
  2. Step 2: Convert to fraction form
    69,124,369.20/103,686,553.80 = 61,734,058.80/x
  3. Step 3: Cross multiply
    69,124,369.20x = 103,686,553.80 × 61,734,058.80
  4. Step 4: Simplify right side
    69,124,369.20x = 6,400,991,809,058,563
  5. Step 5: Solve for x
    x = 6,400,991,809,058,563/69,124,369.20
  6. Step 6: Final answer
    x = 92,601,088.20

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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.