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Finding the Fourth Proportional to 55,615,093.90, 83,422,640.85 and 55,615,093.90

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Solution

The fourth proportional to 55,615,093.90, 83,422,640.85 and 55,615,093.90 is: 83,422,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,615,093.90 : 83,422,640.85 = 55,615,093.90 : x
  2. Step 2: Convert to fraction form
    55,615,093.90/83,422,640.85 = 55,615,093.90/x
  3. Step 3: Cross multiply
    55,615,093.90x = 83,422,640.85 × 55,615,093.90
  4. Step 4: Simplify right side
    55,615,093.90x = 4,639,558,004,258,725
  5. Step 5: Solve for x
    x = 4,639,558,004,258,725/55,615,093.90
  6. Step 6: Final answer
    x = 83,422,640.85

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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.