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Finding the Fourth Proportional to 8,734,572.20, 13,101,858.30 and 8,734,572.20

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Solution

The fourth proportional to 8,734,572.20, 13,101,858.30 and 8,734,572.20 is: 13,101,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734,572.20 : 13,101,858.30 = 8,734,572.20 : x
  2. Step 2: Convert to fraction form
    8,734,572.20/13,101,858.30 = 8,734,572.20/x
  3. Step 3: Cross multiply
    8,734,572.20x = 13,101,858.30 × 8,734,572.20
  4. Step 4: Simplify right side
    8,734,572.20x = 114,439,127,275,519.25
  5. Step 5: Solve for x
    x = 114,439,127,275,519.25/8,734,572.20
  6. Step 6: Final answer
    x = 13,101,858.30

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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.