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Finding the Fourth Proportional to 11,745,086.60, 16,459,917.40 and 11,745,086.60

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Solution

The fourth proportional to 11,745,086.60, 16,459,917.40 and 11,745,086.60 is: 16,459,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745,086.60 : 16,459,917.40 = 11,745,086.60 : x
  2. Step 2: Convert to fraction form
    11,745,086.60/16,459,917.40 = 11,745,086.60/x
  3. Step 3: Cross multiply
    11,745,086.60x = 16,459,917.40 × 11,745,086.60
  4. Step 4: Simplify right side
    11,745,086.60x = 193,323,155,291,846.84
  5. Step 5: Solve for x
    x = 193,323,155,291,846.84/11,745,086.60
  6. Step 6: Final answer
    x = 16,459,917.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.