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Finding the Fourth Proportional to 89,208,093.90, 133,812,140.85 and 89,208,093.90

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Solution

The fourth proportional to 89,208,093.90, 133,812,140.85 and 89,208,093.90 is: 133,812,140.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,208,093.90 : 133,812,140.85 = 89,208,093.90 : x
  2. Step 2: Convert to fraction form
    89,208,093.90/133,812,140.85 = 89,208,093.90/x
  3. Step 3: Cross multiply
    89,208,093.90x = 133,812,140.85 × 89,208,093.90
  4. Step 4: Simplify right side
    89,208,093.90x = 11,937,126,025,906,826
  5. Step 5: Solve for x
    x = 11,937,126,025,906,826/89,208,093.90
  6. Step 6: Final answer
    x = 133,812,140.85

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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.