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Finding the Fourth Proportional to 91,604.90, 137,374.94 and 43,567.84

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Solution

The fourth proportional to 91,604.90, 137,374.94 and 43,567.84 is: 65,336.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,604.90 : 137,374.94 = 43,567.84 : x
  2. Step 2: Convert to fraction form
    91,604.90/137,374.94 = 43,567.84/x
  3. Step 3: Cross multiply
    91,604.90x = 137,374.94 × 43,567.84
  4. Step 4: Simplify right side
    91,604.90x = 5,985,129,405.93
  5. Step 5: Solve for x
    x = 5,985,129,405.93/91,604.90
  6. Step 6: Final answer
    x = 65,336.35

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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.