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Finding the Fourth Proportional to 89,813,455.20, 134,720,182.80 and 89,813,455.20

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Solution

The fourth proportional to 89,813,455.20, 134,720,182.80 and 89,813,455.20 is: 134,720,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,813,455.20 : 134,720,182.80 = 89,813,455.20 : x
  2. Step 2: Convert to fraction form
    89,813,455.20/134,720,182.80 = 89,813,455.20/x
  3. Step 3: Cross multiply
    89,813,455.20x = 134,720,182.80 × 89,813,455.20
  4. Step 4: Simplify right side
    89,813,455.20x = 12,099,685,102,443,612
  5. Step 5: Solve for x
    x = 12,099,685,102,443,612/89,813,455.20
  6. Step 6: Final answer
    x = 134,720,182.80

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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.