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Finding the Fourth Proportional to 91,722.81, 137,597.88 and 32,553.53

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Solution

The fourth proportional to 91,722.81, 137,597.88 and 32,553.53 is: 48,835.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,722.81 : 137,597.88 = 32,553.53 : x
  2. Step 2: Convert to fraction form
    91,722.81/137,597.88 = 32,553.53/x
  3. Step 3: Cross multiply
    91,722.81x = 137,597.88 × 32,553.53
  4. Step 4: Simplify right side
    91,722.81x = 4,479,296,026.53
  5. Step 5: Solve for x
    x = 4,479,296,026.53/91,722.81
  6. Step 6: Final answer
    x = 48,835.14

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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.