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Finding the Fourth Proportional to 29,341,156.80, 43,969,744.80 and 21,604,425.60

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Solution

The fourth proportional to 29,341,156.80, 43,969,744.80 and 21,604,425.60 is: 32,375,720.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,341,156.80 : 43,969,744.80 = 21,604,425.60 : x
  2. Step 2: Convert to fraction form
    29,341,156.80/43,969,744.80 = 21,604,425.60/x
  3. Step 3: Cross multiply
    29,341,156.80x = 43,969,744.80 × 21,604,425.60
  4. Step 4: Simplify right side
    29,341,156.80x = 949,941,080,182,586.88
  5. Step 5: Solve for x
    x = 949,941,080,182,586.88/29,341,156.80
  6. Step 6: Final answer
    x = 32,375,720.11

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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.