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Finding the Fourth Proportional to 89,757,078.30, 134,635,617.45 and 89,757,078.30

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Solution

The fourth proportional to 89,757,078.30, 134,635,617.45 and 89,757,078.30 is: 134,635,617.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,757,078.30 : 134,635,617.45 = 89,757,078.30 : x
  2. Step 2: Convert to fraction form
    89,757,078.30/134,635,617.45 = 89,757,078.30/x
  3. Step 3: Cross multiply
    89,757,078.30x = 134,635,617.45 × 89,757,078.30
  4. Step 4: Simplify right side
    89,757,078.30x = 12,084,499,657,428,494
  5. Step 5: Solve for x
    x = 12,084,499,657,428,494/89,757,078.30
  6. Step 6: Final answer
    x = 134,635,617.45

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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.