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Finding the Fourth Proportional to 90,183,530.28, 135,275,295.42 and 90,183,530.28

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Solution

The fourth proportional to 90,183,530.28, 135,275,295.42 and 90,183,530.28 is: 135,275,295.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,183,530.28 : 135,275,295.42 = 90,183,530.28 : x
  2. Step 2: Convert to fraction form
    90,183,530.28/135,275,295.42 = 90,183,530.28/x
  3. Step 3: Cross multiply
    90,183,530.28x = 135,275,295.42 × 90,183,530.28
  4. Step 4: Simplify right side
    90,183,530.28x = 12,199,603,699,518,222
  5. Step 5: Solve for x
    x = 12,199,603,699,518,222/90,183,530.28
  6. Step 6: Final answer
    x = 135,275,295.42

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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.