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Finding the Fourth Proportional to 9,069,179.40, 13,603,769.10 and 9,069,179.40

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Solution

The fourth proportional to 9,069,179.40, 13,603,769.10 and 9,069,179.40 is: 13,603,769.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069,179.40 : 13,603,769.10 = 9,069,179.40 : x
  2. Step 2: Convert to fraction form
    9,069,179.40/13,603,769.10 = 9,069,179.40/x
  3. Step 3: Cross multiply
    9,069,179.40x = 13,603,769.10 × 9,069,179.40
  4. Step 4: Simplify right side
    9,069,179.40x = 123,375,022,484,076.55
  5. Step 5: Solve for x
    x = 123,375,022,484,076.55/9,069,179.40
  6. Step 6: Final answer
    x = 13,603,769.10

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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.