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Finding the Fourth Proportional to 74,744,714.80, 112,117,072.20 and 74,744,714.80

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Solution

The fourth proportional to 74,744,714.80, 112,117,072.20 and 74,744,714.80 is: 112,117,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,744,714.80 : 112,117,072.20 = 74,744,714.80 : x
  2. Step 2: Convert to fraction form
    74,744,714.80/112,117,072.20 = 74,744,714.80/x
  3. Step 3: Cross multiply
    74,744,714.80x = 112,117,072.20 × 74,744,714.80
  4. Step 4: Simplify right side
    74,744,714.80x = 8,380,158,585,800,008
  5. Step 5: Solve for x
    x = 8,380,158,585,800,008/74,744,714.80
  6. Step 6: Final answer
    x = 112,117,072.20

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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.