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Finding the Fourth Proportional to 91,841.95, 137,762.70 and 32,679.94

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Solution

The fourth proportional to 91,841.95, 137,762.70 and 32,679.94 is: 49,019.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,841.95 : 137,762.70 = 32,679.94 : x
  2. Step 2: Convert to fraction form
    91,841.95/137,762.70 = 32,679.94/x
  3. Step 3: Cross multiply
    91,841.95x = 137,762.70 × 32,679.94
  4. Step 4: Simplify right side
    91,841.95x = 4,502,076,770.24
  5. Step 5: Solve for x
    x = 4,502,076,770.24/91,841.95
  6. Step 6: Final answer
    x = 49,019.83

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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.