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Finding the Fourth Proportional to 74,491,779.90, 111,742,392.99 and 23,375,816.22

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Solution

The fourth proportional to 74,491,779.90, 111,742,392.99 and 23,375,816.22 is: 35,065,206.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,491,779.90 : 111,742,392.99 = 23,375,816.22 : x
  2. Step 2: Convert to fraction form
    74,491,779.90/111,742,392.99 = 23,375,816.22/x
  3. Step 3: Cross multiply
    74,491,779.90x = 111,742,392.99 × 23,375,816.22
  4. Step 4: Simplify right side
    74,491,779.90x = 2,612,069,642,517,256
  5. Step 5: Solve for x
    x = 2,612,069,642,517,256/74,491,779.90
  6. Step 6: Final answer
    x = 35,065,206.47

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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.