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Finding the Fourth Proportional to 8,068,081.70, 11,323,657.90 and 8,068,081.70

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Solution

The fourth proportional to 8,068,081.70, 11,323,657.90 and 8,068,081.70 is: 11,323,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068,081.70 : 11,323,657.90 = 8,068,081.70 : x
  2. Step 2: Convert to fraction form
    8,068,081.70/11,323,657.90 = 8,068,081.70/x
  3. Step 3: Cross multiply
    8,068,081.70x = 11,323,657.90 × 8,068,081.70
  4. Step 4: Simplify right side
    8,068,081.70x = 91,360,197,080,050.44
  5. Step 5: Solve for x
    x = 91,360,197,080,050.44/8,068,081.70
  6. Step 6: Final answer
    x = 11,323,657.90

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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.