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Finding the Fourth Proportional to 110,668,812.90, 165,704,620.95 and 110,668,812.90

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Solution

The fourth proportional to 110,668,812.90, 165,704,620.95 and 110,668,812.90 is: 165,704,620.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,668,812.90 : 165,704,620.95 = 110,668,812.90 : x
  2. Step 2: Convert to fraction form
    110,668,812.90/165,704,620.95 = 110,668,812.90/x
  3. Step 3: Cross multiply
    110,668,812.90x = 165,704,620.95 × 110,668,812.90
  4. Step 4: Simplify right side
    110,668,812.90x = 18,338,333,692,580,968
  5. Step 5: Solve for x
    x = 18,338,333,692,580,968/110,668,812.90
  6. Step 6: Final answer
    x = 165,704,620.95

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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.