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Finding the Fourth Proportional to 66,589,993.92, 99,892,994.76 and 23,450,281.68

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Solution

The fourth proportional to 66,589,993.92, 99,892,994.76 and 23,450,281.68 is: 35,178,241.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,589,993.92 : 99,892,994.76 = 23,450,281.68 : x
  2. Step 2: Convert to fraction form
    66,589,993.92/99,892,994.76 = 23,450,281.68/x
  3. Step 3: Cross multiply
    66,589,993.92x = 99,892,994.76 × 23,450,281.68
  4. Step 4: Simplify right side
    66,589,993.92x = 2,342,518,864,980,764
  5. Step 5: Solve for x
    x = 2,342,518,864,980,764/66,589,993.92
  6. Step 6: Final answer
    x = 35,178,241.16

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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.