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Finding the Fourth Proportional to 73,382,912.10, 110,074,368.15 and 18,795,392.10

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Solution

The fourth proportional to 73,382,912.10, 110,074,368.15 and 18,795,392.10 is: 28,193,088.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,382,912.10 : 110,074,368.15 = 18,795,392.10 : x
  2. Step 2: Convert to fraction form
    73,382,912.10/110,074,368.15 = 18,795,392.10/x
  3. Step 3: Cross multiply
    73,382,912.10x = 110,074,368.15 × 18,795,392.10
  4. Step 4: Simplify right side
    73,382,912.10x = 2,068,890,909,539,002
  5. Step 5: Solve for x
    x = 2,068,890,909,539,002/73,382,912.10
  6. Step 6: Final answer
    x = 28,193,088.15

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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.