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Finding the Fourth Proportional to 220,900.98, 331,362.40 and 63,152.68

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Solution

The fourth proportional to 220,900.98, 331,362.40 and 63,152.68 is: 94,732.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,900.98 : 331,362.40 = 63,152.68 : x
  2. Step 2: Convert to fraction form
    220,900.98/331,362.40 = 63,152.68/x
  3. Step 3: Cross multiply
    220,900.98x = 331,362.40 × 63,152.68
  4. Step 4: Simplify right side
    220,900.98x = 20,926,423,611.23
  5. Step 5: Solve for x
    x = 20,926,423,611.23/220,900.98
  6. Step 6: Final answer
    x = 94,732.14

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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.