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Finding the Fourth Proportional to 79,245,168.90, 110,716,488.30 and 79,245,168.90

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Solution

The fourth proportional to 79,245,168.90, 110,716,488.30 and 79,245,168.90 is: 110,716,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,245,168.90 : 110,716,488.30 = 79,245,168.90 : x
  2. Step 2: Convert to fraction form
    79,245,168.90/110,716,488.30 = 79,245,168.90/x
  3. Step 3: Cross multiply
    79,245,168.90x = 110,716,488.30 × 79,245,168.90
  4. Step 4: Simplify right side
    79,245,168.90x = 8,773,746,815,348,374
  5. Step 5: Solve for x
    x = 8,773,746,815,348,374/79,245,168.90
  6. Step 6: Final answer
    x = 110,716,488.30

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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.