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Finding the Fourth Proportional to 55,207,115.60, 82,810,673.40 and 55,207,115.60

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Solution

The fourth proportional to 55,207,115.60, 82,810,673.40 and 55,207,115.60 is: 82,810,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,207,115.60 : 82,810,673.40 = 55,207,115.60 : x
  2. Step 2: Convert to fraction form
    55,207,115.60/82,810,673.40 = 55,207,115.60/x
  3. Step 3: Cross multiply
    55,207,115.60x = 82,810,673.40 × 55,207,115.60
  4. Step 4: Simplify right side
    55,207,115.60x = 4,571,738,419,307,645
  5. Step 5: Solve for x
    x = 4,571,738,419,307,645/55,207,115.60
  6. Step 6: Final answer
    x = 82,810,673.40

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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.