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Finding the Fourth Proportional to 64,266.80, 96,227.40 and 46,641.20

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Solution

The fourth proportional to 64,266.80, 96,227.40 and 46,641.20 is: 69,836.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,266.80 : 96,227.40 = 46,641.20 : x
  2. Step 2: Convert to fraction form
    64,266.80/96,227.40 = 46,641.20/x
  3. Step 3: Cross multiply
    64,266.80x = 96,227.40 × 46,641.20
  4. Step 4: Simplify right side
    64,266.80x = 4,488,161,408.88
  5. Step 5: Solve for x
    x = 4,488,161,408.88/64,266.80
  6. Step 6: Final answer
    x = 69,836.39

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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.