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Finding the Fourth Proportional to 110,615,538.70, 165,923,308.05 and 110,615,538.70

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Solution

The fourth proportional to 110,615,538.70, 165,923,308.05 and 110,615,538.70 is: 165,923,308.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,615,538.70 : 165,923,308.05 = 110,615,538.70 : x
  2. Step 2: Convert to fraction form
    110,615,538.70/165,923,308.05 = 110,615,538.70/x
  3. Step 3: Cross multiply
    110,615,538.70x = 165,923,308.05 × 110,615,538.70
  4. Step 4: Simplify right side
    110,615,538.70x = 18,353,696,102,836,800
  5. Step 5: Solve for x
    x = 18,353,696,102,836,800/110,615,538.70
  6. Step 6: Final answer
    x = 165,923,308.05

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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.