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Finding the Fourth Proportional to 110,668,139.90, 165,703,611.45 and 110,668,139.90

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Solution

The fourth proportional to 110,668,139.90, 165,703,611.45 and 110,668,139.90 is: 165,703,611.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,668,139.90 : 165,703,611.45 = 110,668,139.90 : x
  2. Step 2: Convert to fraction form
    110,668,139.90/165,703,611.45 = 110,668,139.90/x
  3. Step 3: Cross multiply
    110,668,139.90x = 165,703,611.45 × 110,668,139.90
  4. Step 4: Simplify right side
    110,668,139.90x = 18,338,110,453,883,840
  5. Step 5: Solve for x
    x = 18,338,110,453,883,840/110,668,139.90
  6. Step 6: Final answer
    x = 165,703,611.45

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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.