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Finding the Fourth Proportional to 220,095.94, 329,954.46 and 93,620.38

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Solution

The fourth proportional to 220,095.94, 329,954.46 and 93,620.38 is: 140,349.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,095.94 : 329,954.46 = 93,620.38 : x
  2. Step 2: Convert to fraction form
    220,095.94/329,954.46 = 93,620.38/x
  3. Step 3: Cross multiply
    220,095.94x = 329,954.46 × 93,620.38
  4. Step 4: Simplify right side
    220,095.94x = 30,890,461,927.89
  5. Step 5: Solve for x
    x = 30,890,461,927.89/220,095.94
  6. Step 6: Final answer
    x = 140,349.99

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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.