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Finding the Fourth Proportional to 55,872,057.60, 83,808,086.40 and 55,872,057.60

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Solution

The fourth proportional to 55,872,057.60, 83,808,086.40 and 55,872,057.60 is: 83,808,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,872,057.60 : 83,808,086.40 = 55,872,057.60 : x
  2. Step 2: Convert to fraction form
    55,872,057.60/83,808,086.40 = 55,872,057.60/x
  3. Step 3: Cross multiply
    55,872,057.60x = 83,808,086.40 × 55,872,057.60
  4. Step 4: Simplify right side
    55,872,057.60x = 4,682,530,230,686,577
  5. Step 5: Solve for x
    x = 4,682,530,230,686,577/55,872,057.60
  6. Step 6: Final answer
    x = 83,808,086.40

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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.