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Finding the Fourth Proportional to 74,491,771.15, 111,742,379.84 and 23,375,807.47

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Solution

The fourth proportional to 74,491,771.15, 111,742,379.84 and 23,375,807.47 is: 35,065,193.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,491,771.15 : 111,742,379.84 = 23,375,807.47 : x
  2. Step 2: Convert to fraction form
    74,491,771.15/111,742,379.84 = 23,375,807.47/x
  3. Step 3: Cross multiply
    74,491,771.15x = 111,742,379.84 × 23,375,807.47
  4. Step 4: Simplify right side
    74,491,771.15x = 2,612,068,357,379,449.50
  5. Step 5: Solve for x
    x = 2,612,068,357,379,449.50/74,491,771.15
  6. Step 6: Final answer
    x = 35,065,193.34

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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.