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Finding the Fourth Proportional to 110,573,658.40, 165,986,458.80 and 65,161,040.80

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Solution

The fourth proportional to 110,573,658.40, 165,986,458.80 and 65,161,040.80 is: 97,815,796.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,573,658.40 : 165,986,458.80 = 65,161,040.80 : x
  2. Step 2: Convert to fraction form
    110,573,658.40/165,986,458.80 = 65,161,040.80/x
  3. Step 3: Cross multiply
    110,573,658.40x = 165,986,458.80 × 65,161,040.80
  4. Step 4: Simplify right side
    110,573,658.40x = 10,815,850,414,114,320
  5. Step 5: Solve for x
    x = 10,815,850,414,114,320/110,573,658.40
  6. Step 6: Final answer
    x = 97,815,796.01

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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.